去除无用代码

UAS-MES/Main.cs

@@ -112,11 +112,6 @@ namespace UAS_MES
             SystemInf.HeadBarHeight = headBar1.Height;
         }
 
-        private void RefreshDB(object sender, EventArgs e)
-        {
-            DataHelper dh = new DataHelper();
-        }
-
         /// <summary>
         ///设置窗体的最大化和最小化状态
         /// </summary>