vimrc: Remove "k" from acp_completeOption.
vimrc: Remove "k" from acp_completeOption.

g:acp_completeOption is being used to temporarily set 'complete' with
autocomplpop, but gets rather spammy with "spell" in &dictionary ("k"
completion).

blueyed/dotfiles,scorpiovn/dotfiles,scorpiovn/dotfiles,scorpiovn/dotfiles,blueyed/dotfiles,blueyed/dotfiles,scorpiovn/dotfiles,blueyed/dotfiles,blueyed/dotfiles,scorpiovn/dotfiles