Cleanup, remove entrypoint and addTwigExtension

Author: bobdenotter

composer.json

@@ -23,8 +23,5 @@
         }
     },
     "minimum-stability": "dev",
-    "prefer-stable": true,
-    "extra": {
-        "entrypoint": "AcmeCorp\\ReferenceExtension\\Extension"
-    }
+    "prefer-stable": true
 }

src/Extension.php

@@ -45,8 +45,6 @@ public function initialize($cli = false): void
     {
         $this->addWidget(new ReferenceWidget());
 
-        $this->addTwigExtension(new Twig());
-
         $this->addTwigNamespace('reference-extension');
 
         $this->addListener('kernel.response', [new EventListener(), 'handleEvent']);