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

app/Helpers/helpers.php

@@ -6,10 +6,8 @@ use App\Modules\ModuleContract;
 use App\Modules\ModuleRepository;
 use App\Modules\TurkmenNumberFormatter\Repositories\TurkmenNumberFormatter;
 use Illuminate\Contracts\Cache\Repository as CacheRepository;
-use Illuminate\Http\Client\PendingRequest;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\DB;
-use Illuminate\Support\Facades\Http;
 use Illuminate\Support\Facades\Log;
 
 /**
@@ -108,29 +106,3 @@ function moneyFormatInTurkmenLetter(int|float|string $money): string
 {
     return TurkmenNumberFormatter::format(floatval($money));
 }
-
-/**
- * Send a sms
- */
-function sendSMS(string|int $phone, string|int $message): mixed
-{
-    $response = Http::retry(
-            times: 3,
-            sleepMilliseconds: 50,
-            throw: false,
-            when: function (Exception $exception, PendingRequest $request) {
-                Log::channel('sms_api_error')
-                    ->error('Exception: ', [
-                        'message' => $exception->getMessage(),
-                        'line' => $exception->getLine(),
-                    ]);
-
-                return true;
-            })
-        ->post('http://216.250.14.144:3000/api/data', [
-            'phone' => '+993'.$phone,
-            'code' => $message,
-        ]);
-
-    return $response->body();
-}