Removed DWinProgramming submodule.
Squashed 'third_party/DWinProgramming/' content from commit 7368025

git-subtree-dir: third_party/DWinProgramming
git-subtree-split: 736802529dcb22c324ddc4316464d49c7693fc83
Merge commit 'a14d9ce7fa52c27ab864b76b5d2fbd2078962ec4' as 'third_party/DWinProgramming'