VMware: remove configuration integration_bridge from nova

There are a number of different neutron plugins that work with the
VMware nova driver. If necessary this flag can be set by each plugin
if necessary.

Change-Id: I47ac2a5c71ff573f474d45b85a523fc243ec3ade
diff --git a/lib/nova_plugins/hypervisor-vsphere b/lib/nova_plugins/hypervisor-vsphere
index c406e09..698f836 100644
--- a/lib/nova_plugins/hypervisor-vsphere
+++ b/lib/nova_plugins/hypervisor-vsphere
@@ -42,9 +42,6 @@
     iniset $NOVA_CONF vmware host_username "$VMWAREAPI_USER"
     iniset $NOVA_CONF vmware host_password "$VMWAREAPI_PASSWORD"
     iniset_multiline $NOVA_CONF vmware cluster_name "$VMWAREAPI_CLUSTER"
-    if is_service_enabled neutron; then
-        iniset $NOVA_CONF vmware integration_bridge $OVS_BRIDGE
-    fi
 }
 
 # install_nova_hypervisor() - Install external components