removing yaml subtree
Squashed 'bundle/vim-yaml/' content from commit 963d135

git-subtree-dir: bundle/vim-yaml
git-subtree-split: 963d1351b5df8b6bd221606f2accb3a67157bc94
Merge commit '1fb4f51a45716c50f4c7f3eadda34cd996258594' as 'bundle/vim-yaml'