revert migration squash (#261)

database/migrations/2021_06_23_192743_create_sessions_table.php

@@ -0,0 +1,25 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('sessions', function (Blueprint $table) {
+            $table->string('id')->primary();
+            $table->foreignId('user_id')->nullable()->index();
+            $table->string('ip_address', 45)->nullable();
+            $table->text('user_agent')->nullable();
+            $table->text('payload');
+            $table->integer('last_activity')->index();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('sessions');
+    }
+};