perf: less memory allocation in TypeGenerator::compile

Author: Sysix

src/Generator/TypeGenerator.php

@@ -10,7 +10,6 @@
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
 
-use function array_merge;
 use function file_exists;
 use function file_put_contents;
 use function str_replace;