课程资源菜单删除，样式调整

components/header.vue

@@ -128,12 +128,6 @@
             children: [],
           },*/
           {
-            content:  '课程资源',
-            keyPath:  'https://p.qiao.baidu.com/cps/chat?siteId=17930048&userId=40179606&siteToken=e767a987c8404575246ab0084fb2c9bd',
-            children: [],
-            hrefFlag:true,
-          },
-          {
             content:  '课程开发',
             keyPath:  '/courseware',
             children: [],