Remove ContactController as it is no longer needed

app/Http/Controllers/ContactController.php

@@ -1,18 +0,0 @@
-<?php
-
-namespace App\Http\Controllers;
-
-use Illuminate\Http\Request;
-
-class ContactController extends Controller
-{
-    public function store(Request $request)
-    {
-        $validated = $request->validate([
-            'name' => 'required|max:255',
-            'message' => 'required|max:5000',
-        ]);
-
-        return response()->json(['status' => 'success']);
-    }
-}