update sros local action plugin to support network_cli (#32830)

* update sros local action plugin to support network_cli

This updates the sros local action plugin to only start the connection
if connection=local is specified.  This is to support network_cli
connection plugin

* fix up pep8 issues

lib/ansible/plugins/action/sros.py

@@ -38,13 +38,7 @@ class ActionModule(_ActionModule):
 
     def run(self, tmp=None, task_vars=None):
 
-        if self._play_context.connection != 'local':
-            return dict(
-                failed=True,
-                msg='invalid connection specified, expected connection=local, '
-                    'got %s' % self._play_context.connection
-            )
-
+        if self._play_context.connection == 'local':
             provider = load_provider(sros_provider_spec, self._task.args)
 
             pc = copy.deepcopy(self._play_context)