remove 'min' from asset filename when building dev bundle
remove 'min' from asset filename when building dev bundle

* filename change does not result in hassle since we have the assets-manifest
  which is used to transform 'awesome-asset.js' to 'awesome-asset.bundle.min.prod.es6.js'

synyx/urlaubsverwaltung,synyx/urlaubsverwaltung,synyx/urlaubsverwaltung,synyx/urlaubsverwaltung