Revert of Improved x86 SSE build and run-time checks.

Revert of Improved x86 SSE build and run-time checks. (https://codereview.chromium.org/272503006/)

Reason for revert:
Windows builders breaking.  :(

Original issue's description:
> Improved x86 SSE build and run-time checks.
> 
> Replaces the current build/run-time checks for SSE level in
> opts_check_x86.cpp with a simpler and more future-proof version.
> Also adds SSE versions 4.1 and 4.2 to the config file.
> 
> Author: henrik.smiding@intel.com
> 
> Signed-off-by: Henrik Smiding <henrik.smiding@intel.com>;
> 
> Committed: http://code.google.com/p/skia/source/detail?r=14644

TBR=reed@google.com,tomhudson@google.com,djsollen@google.com,joakim.landberg@intel.com,henrik.smiding@intel.com
NOTREECHECKS=true
NOTRY=true

Committed: http://code.google.com/p/skia/source/detail?r=14646

[mtklein, 2014-05-08 15:26:32]

Created Revert of Improved x86 SSE build and run-time checks.

[commit-bot: I haz the power, 2014-05-08 15:27:45]

CQ is trying da patch. Follow status at
 https://skia-tree-status.appspot.com/cq/mtklein@google.com/277593004/1

[commit-bot: I haz the power, 2014-05-08 15:27:54]

Change committed as 14646