neutron: Remove transition logic for l2gw config file renaming

Change-Id: Ia7ac7ac3f5bc32bf3188f4b4e3272d289115be1e
Signed-off-by: Takashi Kajinami <kajinamit@oss.nttdata.com>

manifests/neutron.pp

@@ -653,16 +653,4 @@ Environment=OS_NEUTRON_CONFIG_FILES=${join($neutron_conf_files, ';')}",
     auth_url => $openstack_integration::config::keystone_admin_uri,
     password => 'a_big_secret',
   }
-
-  # TODO(tkajinam): Remove this once the following change is available
-  # https://review.opendev.org/c/x/networking-l2gw/+/951422
-  if $l2gw_enabled {
-    file { '/etc/neutron/networking_l2gw.conf':
-      ensure  => link,
-      target  => '/etc/neutron/l2gw_plugin.ini',
-      replace => false,
-      require => Anchor['neutron::install::end'],
-      before  => Anchor['neutron::config::begin'],
-    }
-  }
 }