always disallow insert mode
always disallow insert mode

Remove the NERDTreeStopInsert option and always activate the
functionality. If, later on, it becomes apparent that some people might
not want this functionality then we can re-add the option, but in the
meantime, simplify things by removing the option.

iff/dotfiles-old,tschundler/dotfiles,nywilken/dotfiles,iff/dotfiles-old,tschundler/dotfiles,tschundler/dotfiles,nywilken/dotfiles