remove old DB migration

database/migrations/2024_08_12_155023_add_timezone_to_server_settings_table.php

@@ -1,22 +0,0 @@
-<?php
-
-use Illuminate\Database\Migrations\Migration;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Support\Facades\Schema;
-
-class AddTimezoneToServerSettingsTable extends Migration
-{
-    public function up()
-    {
-        Schema::table('server_settings', function (Blueprint $table) {
-            $table->string('server_timezone')->default('');
-        });
-    }
-
-    public function down()
-    {
-        Schema::table('server_settings', function (Blueprint $table) {
-            $table->dropColumn('server_timezone');
-        });
-    }
-}