Remove upgrade script

Author: Baspa

composer.json

@@ -26,7 +26,6 @@
         "vormkracht10/laravel-mails": "^1.0"
     },
     "require-dev": {
-        "filament/upgrade": "^4.0",
         "laravel/pint": "^1.16",
         "nunomaduro/collision": "^8.8.0",
         "orchestra/testbench": "^9.0|^10.0",