fix: remove bad preinstall script (was causing npm install issues)

package.json

@@ -6,8 +6,7 @@
     "dev": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "next lint",
-    "preinstall": "rm -f package-lock.json"
+    "lint": "next lint"
   },
   "dependencies": {
     "@hookform/resolvers": "^4.1.0",
@@ -54,4 +53,4 @@
     "eslint": "^8.57.0",
     "eslint-config-next": "15.2.0"
   }
-}
+}