Remove duplicated dev environment consequence from the mainstream merge

Author: codeams

Diff for: template/config/index.js

@@ -77,19 +77,5 @@ module.exports = {
     // `npm run build --report`
     // Set to `true` or `false` to always turn it on or off
     bundleAnalyzerReport: process.env.npm_config_report
-  },
-  dev: {
-    env: require('./dev.env'),
-    port: 8080,
-    autoOpenBrowser: false,
-    assetsSubDirectory: 'static',
-    assetsPublicPath: '/',
-    proxyTable: {},
-    // CSS Sourcemaps off by default because relative paths are "buggy"
-    // with this option, according to the CSS-Loader README
-    // (https://github.com/webpack/css-loader#sourcemaps)
-    // In our experience, they generally work as expected,
-    // just be aware of this issue when enabling this option.
-    cssSourceMap: false
   }
 }