fix(commands/voice): return early if no player

commands/voice.py

@@ -325,6 +325,12 @@ async def volume(message):
 
 
 def delete_queued(messages):
+    if messages[0].guild.id not in players:
+        return
+
+    if len(players[messages[0].guild.id].queue) == 0:
+        return
+
     found = []
     for message in messages:
         for queued in players[message.guild.id].queue: