Remove Bitdeli as it's defunct.
Remove Bitdeli as it's defunct.

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