更新依赖

package.json

@@ -17,13 +17,11 @@
         "dayjs": "^1.9.4",
         "element-ui": "^2.14.0",
         "hotkeys-js": "^3.8.1",
-        "mavon-editor": "^2.9.1",
         "nprogress": "^0.2.0",
         "path-to-regexp": "^6.2.0",
         "screenfull": "^5.0.2",
         "tinymce": "^5.5.1",
         "vue": "^2.6.12",
-        "vue-clipboard2": "^0.3.1",
         "vue-cookies": "^1.7.4",
         "vue-meta": "^2.4.0",
         "vue-router": "^3.4.8",