Remove code redundant with fugitive#head()
Remove code redundant with fugitive#head()

It which requires a path, and just performed the same as
fugitive#head() does internally.

tschundler/dotfiles,chrisbra/vim-airline,unphased/vim-airline,rchicoli/vim-airline,tschundler/dotfiles,tschundler/dotfiles,bling/vim-airline,yzhou61/vim-airline