Revert "skia: Fix build in ISO C++11 mode"

This file is used by NOTHING

This reverts commit 8b8da6582289833d7896d474ca10532c296df040.
Revert "Add optimized S32A_D565_Opaque_Dither blitter."

Nothing uses this flag.

This reverts commit d05d2fa1b7295ae44b3cb412796155cdab235b48.

Change-Id: If77914924d5c20bdf51ec8917ac1fe84ae3521bc