fixes issue where nxos module will fail due to KeyError (#22966)

Updates nxos action handler to handle deleting provider key if exists or
silently continuing if a  KeyError is raised.
(cherry picked from commit 6a414371a1)

lib/ansible/plugins/action/nxos.py

@@ -116,7 +116,11 @@ class ActionModule(_ActionModule):
         self._task.args['transport'] = transport
 
         result = super(ActionModule, self).run(tmp, task_vars)
+
+        try:
             del result['invocation']['module_args']['provider']
+        except KeyError:
+            pass
 
         return result