removed constraint in production plan table

database/migrations/2026_10_06_114241_drop_plan_quantity_check_from_production_plans.php

@@ -0,0 +1,29 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        DB::statement('
+            ALTER TABLE production_plans
+            DROP CONSTRAINT production_plans_plan_quantity_check
+        ');
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        // Schema::table('production_plans', function (Blueprint $table) {
+        //     //
+        // });
+    }
+};