Remove useless stubs

Author: simonhamp

src/ChildProcess.php

@@ -45,52 +45,4 @@ public function message(string $alias, mixed $message): void
             'message' => json_encode($message),
         ])->json();
     }
-
-    public function onMessage(\Closure $callback)
-    {
-        // Event::listen(function (MessageReceived $event) use ($callback) {
-        //    if ($event->alias !== $this->alias) {
-        //        return;
-        //    }
-        //
-        //    $callback($event);
-        // );
-        return $this;
-    }
-
-    public function onError(\Closure $callback)
-    {
-        // Event::listen(function (ErrorReceived $event) use ($callback) {
-        //    if ($event->alias !== $this->alias) {
-        //        return;
-        //    }
-        //
-        //    $callback($event);
-        // );
-        return $this;
-    }
-
-    public function onSpawn(\Closure $callback)
-    {
-        // Event::listen(function (ProcessSpawned $event) use ($callback) {
-        //    if ($event->alias !== $this->alias) {
-        //        return;
-        //    }
-        //
-        //    $callback($event);
-        // );
-        return $this;
-    }
-
-    public function onExit(\Closure $callback)
-    {
-        // Event::listen(function (ProcessExited $event) use ($callback) {
-        //    if ($event->alias !== $this->alias) {
-        //        return;
-        //    }
-        //
-        //    $callback($event);
-        // );
-        return $this;
-    }
 }