fix: 移除通知关闭时的冗余alert调用

src/layout/components/header-notice.vue

@@ -259,7 +259,6 @@
           this.notice.splice(index, 1);
           this.noticeCount = this.noticeCount ? this.noticeCount - 1 : 0;
           if (!this.noticeCount) {
-            alert(1);
             this.visibleModal = false;
           }
         } else {