chore: remove async attribute

Author: marcos-hotmart

build/docs/webpack.js

@@ -5,7 +5,6 @@ import autoprefixer from 'autoprefixer'
 import ExtractTextPlugin from 'extract-text-webpack-plugin'
 import CopyWebpackPlugin from 'copy-webpack-plugin'
 import HtmlWebpackPlugin from 'html-webpack-plugin'
-import ScriptExtHtmlWebpackPlugin from 'script-ext-html-webpack-plugin'
 import OptimizeJsPlugin from 'optimize-js-plugin'
 import PrerenderSpaPlugin from 'prerender-spa-plugin'
 import PreloadWebpackPlugin from 'preload-webpack-plugin'
@@ -193,9 +192,6 @@ const webpackConfig = {
         useShortDoctype: true
       }
     }),
-    new ScriptExtHtmlWebpackPlugin({
-      defaultAttribute: 'async'
-    }),
     new PreloadWebpackPlugin(),
     new OptimizeCssAssetsPlugin({
       canPrint: false

package.json

@@ -101,7 +101,6 @@
     "preload-webpack-plugin": "^2.0.0",
     "prerender-spa-plugin": "^2.1.0",
     "sass-loader": "^6.0.6",
-    "script-ext-html-webpack-plugin": "^1.8.8",
     "sinon": "^4.1.1",
     "url-loader": "^0.6.2",
     "vue-i18n": "^7.3.2",