删除没用包

package.json

@@ -10,18 +10,14 @@
     "build": "node build/build.js"
   },
   "dependencies": {
-    "@antv/f2": "^3.6.0-alpha.2",
     "@fortawesome/fontawesome-free": "^5.8.0",
     "babel-polyfill": "^6.26.0",
     "codemirror": "^5.45.0",
     "echarts": "^4.2.1",
     "element-ui": "^2.11.1",
-    "esri-loader": "^2.13.0",
     "material-design-icons-iconfont": "^4.0.5",
-    "mint-ui": "^2.2.13",
     "string-format": "^2.0.0",
     "svg-sprite-loader": "^4.2.1",
-    "vant": "^2.5.3",
     "vue": "^2.6.10",
     "vue-resource": "^1.5.1",
     "vue-router": "^3.0.2",