fix: Remove redundant AUTH command check logic as similar logic exists (lines 461-468).

Author: zeze1004

redis/connection.py

@@ -414,15 +414,6 @@ def on_connect(self):
             # execute the MULTI block
             self.send_command('EXEC')
             responses = self._read_exec_responses()
-            # check AUTH response if AUTH command was sent
-            if auth_command_response:
-                # First response should be for AUTH command
-                auth_response = responses[0]
-                if b'ERR' in auth_response:
-                    raise AuthenticationError(
-                        "Authentication failed: %s" % auth_response)
-                responses = responses[1:]  # Remove AUTH response from the list
-
             self._handle_responses(responses, auth_args)
         except (TimeoutError, AuthenticationError, ConnectionError) as e:
             if not self.retry_on_timeout: