Fix rector-migrate.php to allow user-specified paths

Remove hardcoded withPaths() configuration that pointed to vendor directory.
Users now specify their project paths via command line:
  vendor/bin/rector process src --config=vendor/ray/psr-cache-module/rector-migrate.php

Author: koriym

rector-migrate.php

@@ -17,10 +17,6 @@
  *   vendor/bin/rector process src --config=vendor/ray/psr-cache-module/rector-migrate.php
  */
 return RectorConfig::configure()
-    ->withPaths([
-        __DIR__ . '/src',
-        __DIR__ . '/tests',
-    ])
     ->withConfiguredRule(
         AnnotationToAttributeRector::class,
         [