gamebridge: remove killcmd

gamebridge/src/twitch.rs

@@ -115,14 +115,6 @@ async fn run_loop(
                 }
 
                 eprintln!("[{}] {}: {}", msg.channel, msg.name, msg.data);
-
-                match msg.data.split(" ").next() {
-                    Some("!quit") => {
-                        // causes the runner to shutdown
-                        control.stop();
-                    }
-                    _ => {}
-                }
             }
 
             else => { break }