Revert of Xfermode: SSE2 implementation of multiply_modeproc

Revert of Xfermode: SSE2 implementation of multiply_modeproc (https://codereview.chromium.org/202903004/)

Reason for revert:
It looks like serialization is broken. The serialize and pipe-cross-process tests are failing and turning (at least the Ubuntu12 and Win7) bots red

Original issue's description:
> Xfermode: SSE2 implementation of multiply_modeproc
> 
> This patch implements basics for Xfermode SSE optimization. Based on
> these basics, SSE2 implementation of multiply_modeproc is provided. SSE2
> implementation for other modes will come in future. With this patch
> performance of Xfermode_Multiply will improve about 45%. Here are the
> data on desktop i7-3770.
> before:
> Xfermode_Multiply   8888:  cmsecs =     33.30   565:  cmsecs =     45.65
> after:
> Xfermode_Multiply   8888:  cmsecs =     17.18   565:  cmsecs =     24.87
> 
> BUG=
> 
> Committed: http://code.google.com/p/skia/source/detail?r=14006
> 
> Committed: http://code.google.com/p/skia/source/detail?r=14050

TBR=mtklein@google.com,qiankun.miao@intel.com
NOTREECHECKS=true
NOTRY=true
BUG=

Committed: http://code.google.com/p/skia/source/detail?r=14053

[robertphillips, 2014-04-03 18:53:23]

Created Revert of Xfermode: SSE2 implementation of multiply_modeproc

[commit-bot: I haz the power, 2014-04-03 18:53:26]

CQ is trying da patch. Follow status at
https://skia-tree-status.appspot.com/cq/robertphillips@google.com/224253003/1

[commit-bot: I haz the power, 2014-04-03 18:53:50]

Change committed as 14053