Fix endpoint strings with :443 instead of :80

Fix #5191
Close #5188

discord/voice_client.py

@@ -187,8 +187,9 @@ class VoiceClient:
                         'If timeout occurred considering raising the timeout and reconnecting.')
             return
 
-        self.endpoint = endpoint.replace(':80', '')
+        self.endpoint, _, _ = endpoint.rpartition(':')
-        self.endpoint_ip = socket.gethostbyname(self.endpoint)
+        # This gets set later
+        self.endpoint_ip = None
 
         if self.socket:
             try: