refactor: minimize on productive build is the new default

https://github.com/webpack-contrib/html-loader/blob/master/CHANGELOG.md#100-2020-03-19

Author: mfranzke

packages/uikit-workshop/webpack.config.js

@@ -171,7 +171,6 @@ module.exports = function (apiConfig) {
                 loader: 'html-loader',
                 options: {
                   interpolate: true,
-                  minimize: config.prod ? true : false,
                   minifyCSS: false,
                   minifyJS: config.prod ? true : false,
                   // super important -- this prevents the embedded iframe srcdoc HTML from breaking!