remove vundle submodule
remove submodule script
Squashed 'bundle/Vundle.vim/' content from commit 0b28e33

git-subtree-dir: bundle/Vundle.vim
git-subtree-split: 0b28e334e65b6628b0a61c412fcb45204a2f2bab
Merge commit '90357932d7fa1f1e3e32712d92302f037b9b9fd9' as 'bundle/Vundle.vim'