remove:

- express
- gitbook
- json-loader
- markdown-loader
- normalize.css
- prismjs
- vue-resource

package.json

@@ -29,6 +29,7 @@
     "@babel/plugin-transform-runtime": "^7.2.0",
     "@babel/preset-env": "^7.3.1",
     "@babel/runtime": "^7.3.1",
+    "@vue/cli-service": "^3.4.0",
     "@vue/test-utils": "^1.0.0-beta.29",
     "babel-core": "^7.0.0-bridge.0",
     "babel-loader": "^8.0.0",
@@ -36,34 +37,25 @@
     "cross-env": "^5.2.0",
     "css-loader": "^1.0.0",
     "eventsource-polyfill": "^0.9.6",
-    "express": "^4.13.3",
     "extract-text-webpack-plugin": "^3.0.0",
     "file-loader": "^3.0.0",
     "function-bind": "^1.0.2",
     "fuse.js": "^3.2.0",
     "gh-pages": "^0.11.0",
-    "gitbook-plugin-codepen": "^0.1.2",
-    "gitbook-plugin-edit-link": "^2.0.2",
-    "gitbook-plugin-github": "^3.0.0",
     "html-loader": "^0.5.0",
     "html-webpack-plugin": "^3.2.0",
     "jest": "^24.1.0",
     "jest-serializer-vue": "^2.0.2",
     "jest-transform-stub": "^2.0.0",
-    "json-loader": "^0.5.0",
-    "markdown-code-highlight-loader": "^1.0.0",
     "mini-css-extract-plugin": "^0.5.0",
     "node-sass": "^4.10.0",
-    "normalize.css": "^8.0.0",
-    "prismjs": "^1.5.0",
     "sass-loader": "^7.1.0",
     "shelljs": "^0.7.0",
     "url-loader": "^1.1.2",
     "vue": "^2.6.4",
     "vue-html-loader": "^1.2.4",
+    "vue-jest": "^3.0.3",
     "vue-loader": "^15.6.2",
-    "vue-markdown-loader": "^2.4.1",
-    "vue-resource": "^1.5.1",
     "vue-style-loader": "^4.1.2",
     "vue-template-compiler": "^2.6.4",
     "vuepress": "^0.14.8",
@@ -106,9 +98,5 @@
       "html",
       "text-summary"
     ]
-  },
-  "dependencies": {
-    "@vue/cli-service": "^3.4.0",
-    "vue-jest": "^3.0.3"
   }
 }