Remove deprecated vars

These have been emitting deprecated warnings for over a full release cycle:
Q_AGENT_EXTRA_AGENT_OPTS, Q_AGENT_EXTRA_SRV_OPTS, CINDER_MULTI_LVM_BACKEND

Change-Id: I3aa5cabd6ce3a0072cba08bbca1ad23d4a831219
diff --git a/README.md b/README.md
index 7eacebd..40060a7 100644
--- a/README.md
+++ b/README.md
@@ -215,21 +215,6 @@
     [[post-config|/$Q_PLUGIN_CONF_FILE]]
     [linuxbridge]   # or [ovs]
 
-* ``Q_AGENT_EXTRA_AGENT_OPTS``:
-
-    [[post-config|/$Q_PLUGIN_CONF_FILE]]
-    [agent]
-
-* ``Q_AGENT_EXTRA_SRV_OPTS``:
-
-    [[post-config|/$Q_PLUGIN_CONF_FILE]]
-    [linuxbridge]   # or [ovs]
-
-* ``Q_SRV_EXTRA_DEFAULT_OPTS``:
-
-    [[post-config|$NEUTRON_CONF]]
-    [DEFAULT]
-
 Example extra config in `local.conf`:
 
     [[post-config|/$Q_PLUGIN_CONF_FILE]]
diff --git a/lib/cinder b/lib/cinder
index 17a0cc3..0d157dd 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -65,21 +65,14 @@
 fi
 
 
-# Maintain this here for backward-compatibility with the old configuration
-# DEPRECATED: Use CINDER_ENABLED_BACKENDS instead
-# Support for multi lvm backend configuration (default is no support)
-CINDER_MULTI_LVM_BACKEND=$(trueorfalse False CINDER_MULTI_LVM_BACKEND)
-
 # Default backends
 # The backend format is type:name where type is one of the supported backend
 # types (lvm, nfs, etc) and name is the identifier used in the Cinder
 # configuration and for the volume type name.  Multiple backends are
 # comma-separated.
-if [[ $CINDER_MULTI_LVM_BACKEND == "False" ]]; then
-    CINDER_ENABLED_BACKENDS=${CINDER_ENABLED_BACKENDS:-lvm:${DEFAULT_VOLUME_GROUP_NAME##*-}}
-else
-    CINDER_ENABLED_BACKENDS=${CINDER_ENABLED_BACKENDS:-lvm:${DEFAULT_VOLUME_GROUP_NAME##*-},lvm:cinder}
-fi
+# The old ``CINDER_MULTI_LVM_BACKEND=True`` setting had a default of:
+# CINDER_ENABLED_BACKENDS=${CINDER_ENABLED_BACKENDS:-lvm:lvmdriver-1,lvm:lvmdriver-2}
+CINDER_ENABLED_BACKENDS=${CINDER_ENABLED_BACKENDS:-lvm:lvmdriver-1}
 
 
 # Should cinder perform secure deletion of volumes?
diff --git a/lib/neutron_plugins/linuxbridge_agent b/lib/neutron_plugins/linuxbridge_agent
index ec17c01..c9ea1ca 100644
--- a/lib/neutron_plugins/linuxbridge_agent
+++ b/lib/neutron_plugins/linuxbridge_agent
@@ -50,20 +50,6 @@
     fi
     AGENT_BINARY="$NEUTRON_BIN_DIR/neutron-linuxbridge-agent"
     iniset /$Q_PLUGIN_CONF_FILE agent tunnel_types $Q_TUNNEL_TYPES
-    # Define extra "AGENT" configuration options when q-agt is configured by defining
-    # the array ``Q_AGENT_EXTRA_AGENT_OPTS``.
-    # For Example: ``Q_AGENT_EXTRA_AGENT_OPTS=(foo=true bar=2)``
-    for I in "${Q_AGENT_EXTRA_AGENT_OPTS[@]}"; do
-        # Replace the first '=' with ' ' for iniset syntax
-        iniset /$Q_PLUGIN_CONF_FILE agent ${I/=/ }
-    done
-    # Define extra "LINUX_BRIDGE" configuration options when q-agt is configured by defining
-    # the array ``Q_AGENT_EXTRA_SRV_OPTS``.
-    # For Example: ``Q_AGENT_EXTRA_SRV_OPTS=(foo=true bar=2)``
-    for I in "${Q_AGENT_EXTRA_SRV_OPTS[@]}"; do
-        # Replace the first '=' with ' ' for iniset syntax
-        iniset /$Q_PLUGIN_CONF_FILE linux_bridge ${I/=/ }
-    done
 }
 
 function neutron_plugin_setup_interface_driver {
diff --git a/lib/neutron_plugins/ofagent_agent b/lib/neutron_plugins/ofagent_agent
index 915badc..d38fbeb 100644
--- a/lib/neutron_plugins/ofagent_agent
+++ b/lib/neutron_plugins/ofagent_agent
@@ -84,13 +84,6 @@
     AGENT_BINARY="$NEUTRON_BIN_DIR/neutron-ofagent-agent"
 
     iniset /$Q_PLUGIN_CONF_FILE agent tunnel_types $Q_TUNNEL_TYPES
-    # Define extra "AGENT" configuration options when q-agt is configured by defining
-    # defining the array ``Q_AGENT_EXTRA_AGENT_OPTS``.
-    # For Example: ``Q_AGENT_EXTRA_AGENT_OPTS=(foo=true bar=2)``
-    for I in "${Q_AGENT_EXTRA_AGENT_OPTS[@]}"; do
-        # Replace the first '=' with ' ' for iniset syntax
-        iniset /$Q_PLUGIN_CONF_FILE agent ${I/=/ }
-    done
 }
 
 function neutron_plugin_setup_interface_driver {
diff --git a/lib/neutron_plugins/openvswitch_agent b/lib/neutron_plugins/openvswitch_agent
index 2ab61b0..1d24f3b 100644
--- a/lib/neutron_plugins/openvswitch_agent
+++ b/lib/neutron_plugins/openvswitch_agent
@@ -104,20 +104,6 @@
         iniset "/$Q_PLUGIN_CONF_FILE.domU" agent root_helper "$Q_RR_COMMAND"
     fi
     iniset /$Q_PLUGIN_CONF_FILE agent tunnel_types $Q_TUNNEL_TYPES
-    # Define extra "AGENT" configuration options when q-agt is configured by defining
-    # defining the array ``Q_AGENT_EXTRA_AGENT_OPTS``.
-    # For Example: ``Q_AGENT_EXTRA_AGENT_OPTS=(foo=true bar=2)``
-    for I in "${Q_AGENT_EXTRA_AGENT_OPTS[@]}"; do
-        # Replace the first '=' with ' ' for iniset syntax
-        iniset /$Q_PLUGIN_CONF_FILE agent ${I/=/ }
-    done
-    # Define extra "OVS" configuration options when q-agt is configured by defining
-    # defining the array ``Q_AGENT_EXTRA_SRV_OPTS``.
-    # For Example: ``Q_AGENT_EXTRA_SRV_OPTS=(foo=true bar=2)``
-    for I in "${Q_AGENT_EXTRA_SRV_OPTS[@]}"; do
-        # Replace the first '=' with ' ' for iniset syntax
-        iniset /$Q_PLUGIN_CONF_FILE ovs ${I/=/ }
-    done
 }
 
 function neutron_plugin_setup_interface_driver {
diff --git a/lib/tempest b/lib/tempest
index 5ca217e..d990b4f 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -29,7 +29,6 @@
 # - ``USE_BLOCK_MIGRATION_FOR_LIVE_MIGRATION``
 # - ``DEFAULT_INSTANCE_TYPE``
 # - ``DEFAULT_INSTANCE_USER``
-# - ``CINDER_MULTI_LVM_BACKEND``
 # - ``CINDER_ENABLED_BACKENDS``
 #
 # ``stack.sh`` calls the entry points in this order:
diff --git a/stack.sh b/stack.sh
index 3f97919..19584b9 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1329,57 +1329,6 @@
     echo_summary "WARNING: $DEPRECATED_TEXT"
 fi
 
-if is_service_enabled neutron; then
-    # TODO(dtroyer): Remove Q_AGENT_EXTRA_AGENT_OPTS after stable/juno branch is cut
-    if [[ -n "$Q_AGENT_EXTRA_AGENT_OPTS" ]]; then
-        echo ""
-        echo_summary "WARNING: Q_AGENT_EXTRA_AGENT_OPTS is used"
-        echo "You are using Q_AGENT_EXTRA_AGENT_OPTS to pass configuration into $NEUTRON_CONF."
-        echo "Please convert that configuration in localrc to a $NEUTRON_CONF section in local.conf:"
-        echo "Q_AGENT_EXTRA_AGENT_OPTS will be removed early in the 'K' development cycle"
-        echo "
-[[post-config|/\$Q_PLUGIN_CONF_FILE]]
-[DEFAULT]
-"
-        for I in "${Q_AGENT_EXTRA_AGENT_OPTS[@]}"; do
-            # Replace the first '=' with ' ' for iniset syntax
-            echo ${I}
-        done
-    fi
-
-    # TODO(dtroyer): Remove Q_AGENT_EXTRA_SRV_OPTS after stable/juno branch is cut
-    if [[ -n "$Q_AGENT_EXTRA_SRV_OPTS" ]]; then
-        echo ""
-        echo_summary "WARNING: Q_AGENT_EXTRA_SRV_OPTS is used"
-        echo "You are using Q_AGENT_EXTRA_SRV_OPTS to pass configuration into $NEUTRON_CONF."
-        echo "Please convert that configuration in localrc to a $NEUTRON_CONF section in local.conf:"
-        echo "Q_AGENT_EXTRA_AGENT_OPTS will be removed early in the 'K' development cycle"
-        echo "
-[[post-config|/\$Q_PLUGIN_CONF_FILE]]
-[DEFAULT]
-"
-        for I in "${Q_AGENT_EXTRA_SRV_OPTS[@]}"; do
-            # Replace the first '=' with ' ' for iniset syntax
-            echo ${I}
-        done
-    fi
-fi
-
-if is_service_enabled cinder; then
-    # TODO(dtroyer): Remove CINDER_MULTI_LVM_BACKEND after stable/juno branch is cut
-    if [[ "$CINDER_MULTI_LVM_BACKEND" = "True" ]]; then
-        echo ""
-        echo_summary "WARNING: CINDER_MULTI_LVM_BACKEND is used"
-        echo "You are using CINDER_MULTI_LVM_BACKEND to configure Cinder's multiple LVM backends"
-        echo "Please convert that configuration in local.conf to use CINDER_ENABLED_BACKENDS."
-        echo "CINDER_MULTI_LVM_BACKEND will be removed early in the 'K' development cycle"
-        echo "
-[[local|localrc]]
-CINDER_ENABLED_BACKENDS=lvm:lvmdriver-1,lvm:lvmdriver-2
-"
-    fi
-fi
-
 # Indicate how long this took to run (bash maintained variable ``SECONDS``)
 echo_summary "stack.sh completed in $SECONDS seconds."