[t:4944] closes #4944. Remove all windows code and libraries.

We can resurrect this if necessary in the future and we want to support windows.
Right now it just gets in the way and makes checkouts larger."


git-svn-id: file:///svn/toku/tokudb/xz-4.999.9beta@43969 c7de825b-a66e-492c-adef-691d508d4ae1