FLUID-5049: Removed references to deleted images from full page tests, no longer used in UI Options
FLUID-5049: Removed save/cancel/reset icons, no longer used in production versions of UIO
FLUID-5049: Removed css references to deleted images
Merge remote-tracking branch 'heidi/FLUID-5049'

* heidi/FLUID-5049:
  FLUID-5049: Removed css references to deleted images
  FLUID-5049: Removed save/cancel/reset icons, no longer used in production versions of UIO
  FLUID-5049: Removed references to deleted images from full page tests, no longer used in UI Options