Remove gateway trace information

This was unused anyway

Author: Rapptz

discord/gateway.py

@@ -543,26 +543,14 @@ async def received_message(self, msg: Any, /) -> None:
             return
 
         if event == 'READY':
-            self._trace = trace = data.get('_trace', [])
             self.sequence = msg['s']
             self.session_id = data['session_id']
-            _log.info(
-                'Shard ID %s has connected to Gateway: %s (Session ID: %s).',
-                self.shard_id,
-                ', '.join(trace),
-                self.session_id,
-            )
+            _log.info('Shard ID %s has connected to Gateway (Session ID: %s).', self.shard_id, self.session_id)
 
         elif event == 'RESUMED':
-            self._trace = trace = data.get('_trace', [])
             # pass back the shard ID to the resumed handler
             data['__shard_id__'] = self.shard_id
-            _log.info(
-                'Shard ID %s has successfully RESUMED session %s under trace %s.',
-                self.shard_id,
-                self.session_id,
-                ', '.join(trace),
-            )
+            _log.info('Shard ID %s has successfully RESUMED session %s.', self.shard_id, self.session_id)
 
         try:
             func = self._discord_parsers[event]