Get rid of unneeded package

Author: flevi29

package.json

@@ -37,7 +37,6 @@
   },
   "devDependencies": {
     "vite": "^6.0.9",
-    "concurrently": "^9.1.2",
     "vitest": "^3.0.2",
     "cypress": "^8.6.0",
     "turbo": "^2.3.3",