Revert "Optimize wedge partition selection."

This reverts commit efda2831e5f758b4f350679b5c55c0b9282449b0.

This commit causes segmentation fault at SSE2/SumSquares2DTest.RandomValues/0

Change-Id: I171937e4daf6f15323e8206418773deb03bd8c53
9 files changed