All clients have been converted to use
SfxViewShell::libreOfficeKitViewCallback() instead.

Change-Id: I793dad5194769f331037b12a1b1afba96ddea4ba
Reviewed-on: https://gerrit.libreoffice.org/26584Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Jenkins <ci@libreoffice.org>