修复菜单管理选择图标，backspace删除时不过滤数据

RuoYi

2020-06-03 c861b78f80f46d757085aa70dac508257f6a25dc

 ruoyi/src/main/resources/vm/vue/index-tree.vue.vm

@@ -375,8 +375,6 @@
                this.msgSuccess("修改成功");

                this.open = false;

                this.getList();

              } else {

                this.msgError(response.msg);

              }

            });

          } else {

@@ -385,8 +383,6 @@
                this.msgSuccess("新增成功");

                this.open = false;

                this.getList();

              } else {

                this.msgError(response.msg);

              }

            });

          }