Revert "ROMControl: Allow Custom Icon Tinting Option (2/2)"

This reverts commit I19dd1b19a066befb0746f3c1167dddf16fd145da

Change-Id: Iea0aecf42a6ae8076201ad9f261743ab01306710
Merge "Revert "ROMControl: Allow Custom Icon Tinting Option (2/2)"" into jb-mr1