bug#2757: disable (or deprecate) vc-file-not-found-hook for 23.1

[Dan Nicolaescu]

retitle 2757 remove vc-file-not-found-hook in 23.2
quit

Stefan Monnier <monnier@IRO.UMontreal.CA> writes:

  > > IMO we should remove vc-file-not-found-hook from file-not-found-hook by
  > > default for 23.1 and even remove the `find-file-not-found-hook' VC
  > > method.
  > 
  > Let's remove it in Emacs-23.2.

Fine, adjusted the subject accordingly.

  > > This hook adds a cost every time when opening a non-VC managed file.
  > 
  > Really?  It should only be triggered when opening a non-existent file.

You're right.