php-cs fixes

1) Minify.php (return)
   2) Minify/Env.php (return)
   3) Minify/JS/JShrink.php (return)
   4) Minify/HTML/Helper.php (return)
   5) Minify/Logger/LegacyHandler.php (unused_use)
   6) Minify/Lines.php (return)
   7) Minify/Controller/Files.php (unused_use)
   8) Minify/ControllerInterface.php (unused_use)
   9) Minify/Cache/File.php (return)

lib/Minify/JS/JShrink.php

@@ -42,6 +42,7 @@ class JShrink
             self::$defaultOptions,
             $options
         );
+
         return \JShrink\Minifier::minify($js, $options);
     }
 }