Update user registration email format, remove unused SMS helper function, and adjust database migration for user meta column

app/Modules/OTPVerification/Controllers/OTPVerificationController.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Modules\OTPVerification\Controllers;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Http\Request;
+
+class OTPVerificationController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     */
+    public function index(Request $request): void
+    {
+        //
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     */
+    public function store(Request $request): void
+    {
+        //
+    }
+
+    /**
+     * Display the specified resource.
+     */
+    public function show(Request $request): void
+    {
+        //
+    }
+
+    /**
+     * Update the specified resource in storage.
+     */
+    public function update(Request $request): void
+    {
+        //
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     */
+    public function destroy(Request $request): void
+    {
+        //
+    }
+}