Revert "settings: Add xxhdpi profile icon"

This reverts commit 4f01995a95ec869da1da79f7d70a26b87581f7d8.

Change-Id: I94ac3ac8168d52eb2fedcdc34162ce1d0a735937
Merge branch 'cm-11.0' of git://github.com/CyanogenMod/android_packages_apps_Settings into cd-4.4