Disable files autoloading for scripts to avoid untrusted code execution at runtime (#10373)

src/Composer/EventDispatcher/EventDispatcher.php

@@ -509,10 +509,6 @@ class EventDispatcher
         $this->loader = $generator->createLoader($map, $this->composer->getConfig()->get('vendor-dir'));
         $this->loader->register(false);
 
-        foreach ($map['files'] as $fileIdentifier => $file) {
-            \Composer\Autoload\composerRequire($fileIdentifier, $file);
-        }
-
         return $scripts[$event->getName()];
     }