remove style-loader

[tianyong90]

vuetify/packages/vuetify/build/webpack.base.config.js

Line 17 in 524b311

// TODO: remove style-loader: https://github.com/webpack-contrib/mini-css-extract-plugin/issues/34

Maybe it's time TO DO it 😄. Hot module reload is aleady supported in mini-css-extract-plugin@0.6.0 https://github.com/webpack-contrib/mini-css-extract-plugin/releases

[close-issue-app]

Please only create issues with the provided issue creator. In the boilerplate for creating an issue, it explains that any ticket made without this will be automatically closed. Thank you.