Remove lib/neutron_plugins/ibm

SDN-VE on neutron is already removed.
This patch removes SDN-VE from devstack.

Ref.
  Removing the SDN-VE monolithic plugin
  https://review.openstack.org/#/c/217703/
  Remove IBM SDN-VE left-overs
  https://review.openstack.org/#/c/237716/

Change-Id: Ie1b531153d1632798235b1100cdf9b068edcce26
diff --git a/lib/neutron_plugins/ibm b/lib/neutron_plugins/ibm
deleted file mode 100644
index dd5cfa6..0000000
--- a/lib/neutron_plugins/ibm
+++ /dev/null
@@ -1,133 +0,0 @@
-#!/bin/bash
-#
-# Neutron IBM SDN-VE plugin
-# ---------------------------
-
-# Save trace setting
-IBM_XTRACE=$(set +o | grep xtrace)
-set +o xtrace
-
-source $TOP_DIR/lib/neutron_plugins/ovs_base
-
-function neutron_plugin_install_agent_packages {
-    _neutron_ovs_base_install_agent_packages
-}
-
-function _neutron_interface_setup {
-    # Setup one interface on the integration bridge if needed
-    # The plugin agent to be used if more than one interface is used
-    local bridge=$1
-    local interface=$2
-    sudo ovs-vsctl --no-wait -- --may-exist add-port $bridge $interface
-}
-
-function neutron_setup_integration_bridge {
-    # Setup integration bridge if needed
-    if [[ "$SDNVE_INTEGRATION_BRIDGE" != "" ]]; then
-        neutron_ovs_base_cleanup
-        _neutron_ovs_base_setup_bridge $SDNVE_INTEGRATION_BRIDGE
-        if [[ "$SDNVE_INTERFACE_MAPPINGS" != "" ]]; then
-            interfaces=(${SDNVE_INTERFACE_MAPPINGS//[,:]/ })
-            _neutron_interface_setup $SDNVE_INTEGRATION_BRIDGE ${interfaces[1]}
-        fi
-    fi
-
-    # Set controller to SDNVE controller (1st of list) if exists
-    if [[ "$SDNVE_CONTROLLER_IPS" != "" ]]; then
-        # Get the first controller
-        controllers=(${SDNVE_CONTROLLER_IPS//[\[,\]]/ })
-        SDNVE_IP=${controllers[0]}
-        sudo ovs-vsctl set-controller $SDNVE_INTEGRATION_BRIDGE tcp:$SDNVE_IP
-    fi
-}
-
-function neutron_plugin_create_nova_conf {
-    # if n-cpu is enabled, then setup integration bridge
-    if is_service_enabled n-cpu; then
-        neutron_setup_integration_bridge
-    fi
-}
-
-function is_neutron_ovs_base_plugin {
-    if [[ "$SDNVE_INTEGRATION_BRIDGE" != "" ]]; then
-        # Yes, we use OVS.
-        return 0
-    else
-        # No, we do not use OVS.
-        return 1
-    fi
-}
-
-function neutron_plugin_configure_common {
-    Q_PLUGIN_CONF_PATH=etc/neutron/plugins/ibm
-    Q_PLUGIN_CONF_FILENAME=sdnve_neutron_plugin.ini
-    Q_PLUGIN_CLASS="neutron.plugins.ibm.sdnve_neutron_plugin.SdnvePluginV2"
-}
-
-function neutron_plugin_configure_service {
-    # Define extra "SDNVE" configuration options when q-svc is configured
-
-    iniset /$Q_PLUGIN_CONF_FILE securitygroup firewall_driver neutron.agent.firewall.NoopFirewallDriver
-
-    if [[ "$SDNVE_CONTROLLER_IPS" != "" ]]; then
-        iniset /$Q_PLUGIN_CONF_FILE sdnve controller_ips $SDNVE_CONTROLLER_IPS
-    fi
-
-    if [[ "$SDNVE_INTEGRATION_BRIDGE" != "" ]]; then
-        iniset /$Q_PLUGIN_CONF_FILE sdnve integration_bridge $SDNVE_INTEGRATION_BRIDGE
-    fi
-
-    if [[ "$SDNVE_RESET_BRIDGE" != "" ]]; then
-        iniset /$Q_PLUGIN_CONF_FILE sdnve reset_bridge $SDNVE_RESET_BRIDGE
-    fi
-
-    if [[ "$SDNVE_OUT_OF_BAND" != "" ]]; then
-        iniset /$Q_PLUGIN_CONF_FILE sdnve out_of_band $SDNVE_OUT_OF_BAND
-    fi
-
-    if [[ "$SDNVE_INTERFACE_MAPPINGS" != "" ]]; then
-        iniset /$Q_PLUGIN_CONF_FILE sdnve interface_mappings $SDNVE_INTERFACE_MAPPINGS
-    fi
-
-    if [[ "$SDNVE_FAKE_CONTROLLER" != "" ]]; then
-        iniset /$Q_PLUGIN_CONF_FILE sdnve use_fake_controller $SDNVE_FAKE_CONTROLLER
-    fi
-
-
-    iniset $NEUTRON_CONF DEFAULT notification_driver neutron.openstack.common.notifier.no_op_notifier
-
-}
-
-function neutron_plugin_configure_plugin_agent {
-    AGENT_BINARY="$NEUTRON_BIN_DIR/neutron-ibm-agent"
-}
-
-function neutron_plugin_configure_debug_command {
-    :
-}
-
-function neutron_plugin_setup_interface_driver {
-    return 0
-}
-
-function has_neutron_plugin_security_group {
-    # Does not support Security Groups
-    return 1
-}
-
-function neutron_ovs_base_cleanup {
-    if [[ "$SDNVE_RESET_BRIDGE" != False ]]; then
-        # remove all OVS ports that look like Neutron created ports
-        for port in $(sudo ovs-vsctl list port | grep -o -e tap[0-9a-f\-]* -e q[rg]-[0-9a-f\-]*); do
-            sudo ovs-vsctl del-port ${port}
-        done
-
-        # remove integration bridge created by Neutron
-        for bridge in $(sudo ovs-vsctl list-br | grep -o -e ${SDNVE_INTEGRATION_BRIDGE}); do
-            sudo ovs-vsctl del-br ${bridge}
-        done
-    fi
-}
-
-# Restore xtrace
-$IBM_XTRACE