remove uglifyjs-webpack-plugin

Former-commit-id: 276b976c4498a75f1e99e5a0504a22bc2e8af14d

package.json

@@ -49,7 +49,6 @@
     "sass": "^1.18.0",
     "sass-loader": "^7.1.0",
     "svg-sprite-loader": "^4.1.3",
-    "uglifyjs-webpack-plugin": "^2.1.2",
     "vue-template-compiler": "^2.5.21"
   }
 }

vue.config.js

@@ -1,4 +1,3 @@
-const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
 const VueFilenameInjector = require('./tools/vue-filename-injector')
 
 // 拼接路径
@@ -51,23 +50,6 @@ module.exports = {
           propName: process.env.VUE_APP_SOURCE_VIEWER_PROP_NAME
         })
       )
-      // 非开发环境
-      .when(process.env.NODE_ENV !== 'development', config => {
-        config.optimization
-          .minimizer([
-            new UglifyJsPlugin({
-              uglifyOptions: {
-                // 移除 console
-                // 其它优化选项 https://segmentfault.com/a/1190000010874406
-                compress: {
-                  drop_console: true,
-                  drop_debugger: true,
-                  pure_funcs: ['console.log']
-                }
-              }
-            })
-          ])
-      })
     // i18n
     config.module
       .rule('i18n')