update dev and start scripts to specify port; remove unused account page

package.json

@@ -10,14 +10,14 @@
     "db:migrate": "prisma migrate deploy",
     "db:push": "prisma db push",
     "db:studio": "prisma studio",
-    "dev": "next dev --turbo",
+    "dev": "next dev --turbo -p 3100",
     "format:check": "prettier --check \"**/*.{ts,tsx,js,jsx,mdx}\" --cache",
     "format:write": "prettier --write \"**/*.{ts,tsx,js,jsx,mdx}\" --cache",
     "postinstall": "prisma generate",
     "lint": "next lint",
     "lint:fix": "next lint --fix",
-    "preview": "next build && next start",
-    "start": "next start",
+    "preview": "next build && next start -p 3100",
+    "start": "next start -p 3100",
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
@@ -52,4 +52,4 @@
     "initVersion": "7.40.0"
   },
   "packageManager": "npm@11.6.2"
-}
+}