Remove Jedi Vim plugin as a submodule

I will make it a subtree.
Squashed '.vim/bundle/jedi-vim/' content from commit eceba1e

git-subtree-dir: .vim/bundle/jedi-vim
git-subtree-split: eceba1e675be520d30fdc8c86226ededd98c50ef
Merge commit '05b39e7c60d936c6094837d27c85760c1300e774' as '.vim/bundle/jedi-vim'