Remove use of legacy live colour
Remove legacy colours
Merge branch 'master' into colours
Remove colour() mixin, update colours to use latest palette
Merge branch 'master' into colours

Conflicts:
	common/app/assets/stylesheets/_vars.scss
	common/app/assets/stylesheets/module/facia-cards/_tones.scss
	common/app/assets/stylesheets/module/facia/_item.scss
	common/app/assets/stylesheets/theme/_tones-head.scss
Fix references -live
Reinstate colour() mixin
Remove -featuresVariant
Remove -commentAccent2
Use multimedia colour variables for multimedia tones
Merge branch 'master' of github.com:guardian/frontend into colours
Revert colour of comment-related SVGs
Merge pull request #6113 from guardian/colours

Update colours