Remove unused dependencies

Author: parijke

composer.json

@@ -16,9 +16,6 @@
   "require-dev": {
     "php-parallel-lint/php-parallel-lint": "^1.3",
     "phpmd/phpmd": "^2.13",
-    "matthiasnoback/symfony-config-test": "^4.3",
-    "phpdocumentor/reflection-docblock": "^5.2",
-    "phpunit/php-token-stream": "^3.1.3|^4.0.4",
     "phpunit/phpunit": "^9.6|^10.4",
     "sebastian/phpcpd": "^4.1|^5.0|^6.0",
     "squizlabs/php_codesniffer": "^3.6",