Fix quoting of args for old-style modules

This removes the extra layer of quotes around values in the 'args' file.
These quotes were there before the pipes.quote() call was added, but
were not removed, resulting in too much quoting.

lib/ansible/plugins/action/__init__.py

@@ -601,7 +601,7 @@ class ActionBase(with_metaclass(ABCMeta, object)):
                 # the remote system, which can be read and parsed by the module
                 args_data = ""
                 for k,v in iteritems(module_args):
-                    args_data += '%s="%s" ' % (k, pipes.quote(text_type(v)))
+                    args_data += '%s=%s ' % (k, pipes.quote(text_type(v)))
                 self._transfer_data(args_file_path, args_data)
             elif module_style == 'non_native_want_json':
                 self._transfer_data(args_file_path, json.dumps(module_args))