Simplify passing config to ovs agent container

The mechanism to pass config files to the neutron-ovs-agent container
was overly complex and not at all justified. This commit removes a few
useless parameters and aligns the neutron-ovs-agents with the rest of
the containers.

Change-Id: Ib9a5985ac9d098731c2fb798d6c9e03cba4b87dd

docker/post.j2.yaml

@@ -35,7 +35,7 @@ parameters:
 
   NeutronOpenvswitchAgentConfig:
     type: string
-    default: "/etc/neutron/neutron.conf,/etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini"
+    default: "/etc/neutron/neutron.conf,/etc/neutron/plugins/ml2/openvswitch_agent.ini"
 
 resources:
 

docker/services/neutron-ovs-agent.yaml

@@ -12,12 +12,6 @@ parameters:
     description: image
     default: 'centos-binary-neutron-openvswitch-agent'
     type: string
-  NeutronOpenvswitchAgentPluginVolume:
-    type: string
-    default: "/var/lib/etc-data/neutron/plugins/ml2/openvswitch_agent.ini:/var/lib/kolla/config_files/ovs_neutron_plugin.ini:ro"
-  NeutronOpenvswitchAgentOvsVolume:
-    type: string
-    default: " "
   ServiceNetMap:
     default: {}
     description: Mapping of service_name -> network name. Typically set
@@ -64,8 +58,7 @@ outputs:
               - /var/lib/etc-data/json-config/neutron-openvswitch-agent.json:/var/lib/kolla/config_files/config.json
               - /var/lib/etc-data/neutron/neutron.conf:/var/lib/kolla/config_files/neutron.conf:ro
               - /var/lib/etc-data/neutron/plugins/ml2/ml2_conf.ini:/var/lib/kolla/config_files/ml2_conf.ini:ro
-              - {get_param: NeutronOpenvswitchAgentPluginVolume}
-              - {get_param: NeutronOpenvswitchAgentOvsVolume}
+              - /var/lib/etc-data/neutron/plugins/ml2/openvswitch_agent.ini:/var/lib/kolla/config_files/openvswitch_agent.ini:ro
               - /etc/localtime:/etc/localtime:ro
               - /lib/modules:/lib/modules:ro
               - /run:/run

environments/docker-network-isolation.yaml

@@ -1,4 +0,0 @@
-parameter_defaults:
-  NeutronOpenvswitchAgentConfig: "/etc/neutron/neutron.conf,/etc/neutron/plugins/openvswitch/openvswitch_agent.ini"
-  NeutronOpenvswitchAgentPluginVolume: "/var/lib/etc-data/neutron/plugins/ml2/openvswitch_agent.ini:/var/lib/kolla/config_files/openvswitch_agent.ini:ro"
-  NeutronOpenvswitchAgentOvsVolume: "/var/lib/etc-data/neutron/conf.d/neutron-openvswitch-agent:/etc/neutron/conf.d/neutron-openvswitch-agent:ro"