removed invocation info as it is not no_log aware

This was added in 1.9 and 2.0 tried to copy, but since it cannot
obey no_log restrictions I commented it out. I did not remove as
it is still very useful for module invocation debugging.

lib/ansible/plugins/action/__init__.py

@@ -82,13 +82,14 @@ class ActionBase(with_metaclass(ABCMeta, object)):
 
         * Module parameters.  These are stored in self._task.args
         """
-        # store the module invocation details into the results
         results =  {}
-        if self._task.async == 0:
-            results['invocation'] = dict(
-                module_name = self._task.action,
-                module_args = self._task.args,
-            )
+        # This does not respect no_log set by module args, left here for debugging module invocation
+        #if self._task.async == 0:
+        #    # store the module invocation details into the results
+        #    results['invocation'] = dict(
+        #        module_name = self._task.action,
+        #        module_args = self._task.args,
+        #    )
         return results
 
     def _configure_module(self, module_name, module_args, task_vars=None):