fix bank branch error

app/Http/Controllers/ChinaBankSlipController.php

@@ -56,7 +56,6 @@ class ChinaBankSlipController extends Controller
         }
    
         $china_bankslip = new ChinaBankSlip;
-        $china_bankslip->bank_branch = '-';
         $china_bankslip->booking_id = $booking->id;
         $china_bankslip->china_bank_slip_path = $upload_path;
         $china_bankslip->save();

database/migrations/2018_08_13_162215_dropcolumn_bank_branch_in_china_bank_slips_table.php

@@ -1,32 +0,0 @@
-<?php
-
-use Illuminate\Support\Facades\Schema;
-use Illuminate\Database\Schema\Blueprint;
-use Illuminate\Database\Migrations\Migration;
-
-class DropcolumnBankBranchInChinaBankSlipsTable extends Migration
-{
-    /**
-     * Run the migrations.
-     *
-     * @return void
-     */
-    public function up()
-    {
-        Schema::table('china_bank_slips', function (Blueprint $table) {
-            $table->dropColumn('bank_branch'); 
-        });
-    }
-
-    /**
-     * Reverse the migrations.
-     *
-     * @return void
-     */
-    public function down()
-    {
-        Schema::table('china_bank_slips', function (Blueprint $table) {
-            //
-        });
-    }
-}