Remove Revolt\launch (#6)

As all event callbacks and queue automatically create a new fiber upon suspension, there's no need for a separate function anymore. EventLoop::queue can be used as direct replacement without the need to even create a new fiber if there's no suspension happening.

Author: kelunik

composer.json

@@ -42,8 +42,7 @@
             "Revolt\\": "src"
         },
         "files": [
-            "src/functions.php",
-            "src/EventLoop/Internal/functions.php"
+            "src/functions.php"
         ]
     },
     "autoload-dev": {

src/EventLoop/Internal/functions.php

@@ -4,7 +4,6 @@
 
 use PHPUnit\Framework\TestCase;
 use Revolt\EventLoop;
-use function Revolt\launch;
 
 class EventLoopTest extends TestCase
 {
@@ -106,7 +105,7 @@ public function testFiberReuse(): void
 
     public function testRunInFiber(): void
     {
-        launch(fn () => EventLoop::run());
+        EventLoop::queue(fn () => EventLoop::run());
 
         $this->expectException(\Error::class);
         $this->expectExceptionMessage("within a fiber");
@@ -154,7 +153,7 @@ public function testSuspensionWithinFiber(): void
     {
         $invoked = false;
 
-        launch(function () use (&$invoked): void {
+        EventLoop::queue(function () use (&$invoked): void {
             $suspension = EventLoop::createSuspension();
 
             EventLoop::defer(fn () => $suspension->resume('test'));