am 0019215f: Revert "When using MDP, we needed to use a texture for diming."

Merge commit '0019215fc395ef12c191049b1903eeabf70859cf' into eclair-mr2

* commit '0019215fc395ef12c191049b1903eeabf70859cf':
  Revert "When using MDP, we needed to use a texture for diming."