Remove cmake_modules.
Remove root cmake_modules.
Removes cmake_modules from HAL/
Squashed 'CMakeModules/' content from commit 72b6a6d

git-subtree-dir: CMakeModules
git-subtree-split: 72b6a6da333214213310b32c595f5e24b5997525
Merge commit 'c4bf47bbf5c8a8ff535cd2b2f74d0af81e157c4d' as 'CMakeModules'