Remove tone-news, tonal container classes, use consistent markup for article pages
Remove depracted tone-news styles, add content__main div on remaining article fragments
Remove change intended for different branch
Merge branch 'master' into goodbye-tone-news
Merge branch 'master' into goodbye-tone-news

Conflicts:
	applications/app/views/fragments/interactiveBody.scala.html
	static/src/stylesheets/module/content/tones/_tone-news.scss
Merge branch 'master' into goodbye-tone-news
Remove tonal stylings that are no longer needed
Merge pull request #6738 from guardian/goodbye-tone-news

Goodbye tone-news