Don't configure neutron metadata agent for neutron API access

Metadata agent now talks to neutron-server thru AMQP, so there is no use
for API access configuration.

Change-Id: I8f81eea91fe3448d5098e77312f64f2eaba68a68
Depends-On: I254c575c66214f50fb93a94c46c4c9caebfc2937
Closes-Bug: #1502947
diff --git a/lib/neutron-legacy b/lib/neutron-legacy
index e67bd4a..8b964a7 100644
--- a/lib/neutron-legacy
+++ b/lib/neutron-legacy
@@ -1050,11 +1050,6 @@
     if [[ "$Q_USE_ROOTWRAP_DAEMON" == "True" ]]; then
         iniset $Q_META_CONF_FILE AGENT root_helper_daemon "$Q_RR_DAEMON_COMMAND"
     fi
-
-    # Configures keystone for metadata_agent
-    # The third argument "True" sets auth_url needed to communicate with keystone
-    _neutron_setup_keystone $Q_META_CONF_FILE DEFAULT True
-
 }
 
 function _configure_neutron_ceilometer_notifications {
@@ -1212,17 +1207,10 @@
     fi
 }
 
-# Configures keystone integration for neutron service and agents
+# Configures keystone integration for neutron service
 function _neutron_setup_keystone {
     local conf_file=$1
     local section=$2
-    local use_auth_url=$3
-
-    # Configures keystone for metadata_agent
-    # metadata_agent needs auth_url to communicate with keystone
-    if [[ "$use_auth_url" == "True" ]]; then
-        iniset $conf_file $section auth_url $KEYSTONE_SERVICE_URI/v2.0
-    fi
 
     create_neutron_cache_dir
     configure_auth_token_middleware $conf_file $Q_ADMIN_USERNAME $NEUTRON_AUTH_CACHE_DIR $section