Remove vimeo/psalm from require-dev in composer.json

Author: BenjaminHoegh

composer.json

@@ -23,7 +23,6 @@
   },
   "require-dev": {
     "phpunit/phpunit": "^9.6",
-    "vimeo/psalm": "^5.26",
     "friendsofphp/php-cs-fixer": "^3.64",
     "squizlabs/php_codesniffer": "^3.7",
     "phpcompatibility/php-compatibility": "^9.3"