removed device specific high res detection

removed the media queries for high res for each device… it is only
needed to detect for image swaps
deleted comments

Removed old queries that were commented out
Merge branch 'master' of git://github.com/elizabethsjudd/Starters into elizabethsjudd-master

Conflicts:
	Mobile Starter/assets/css/styles.css
	Mobile Starter/assets/css/styles.less