Revert "Add vim-powerline."

This reverts commit 4e7505ddccc2a9acc419e935a7f92a5934570001.
Merge branch 'master' of github.com:alexreisner/dotfiles

Conflicts:
	.gitmodules
Merge branch 'master' of github.com:alexreisner/dotfiles
Merge branch 'master' of github.com:alexreisner/dotfiles