DONE: replace email verification by link instead of otp

be/database/migrations/2026_07_12_000001_drop_email_verification_otps_table.php

@@ -6,10 +6,12 @@ use Illuminate\Support\Facades\Schema;
 
 return new class extends Migration
 {
-    /**
-     * Run the migrations.
-     */
     public function up(): void
+    {
+        Schema::dropIfExists('email_verification_otps');
+    }
+
+    public function down(): void
     {
         Schema::create('email_verification_otps', function (Blueprint $table) {
             $table->uuid('id')->primary();
@@ -18,16 +20,6 @@ return new class extends Migration
             $table->timestamp('expires_at');
             $table->unsignedTinyInteger('attempts')->default(0);
             $table->timestamps();
-
-            $table->index(['user_id', 'expires_at']);
         });
     }
-
-    /**
-     * Reverse the migrations.
-     */
-    public function down(): void
-    {
-        Schema::dropIfExists('email_verification_otps');
-    }
 };