remove dangling submodule
prepare for jedi merge
Squashed 'bundle/jedi-vim/jedi/' content from commit cd648e9

git-subtree-dir: bundle/jedi-vim/jedi
git-subtree-split: cd648e933bfa89adcb2a92d856abe0b1900c0d90
Merge commit 'e98c3fa6e11f9accc17354860e5c73987dc91388' as 'bundle/jedi-vim/jedi'