Don't need this argument, since it was only ever called thus:

Don't need this argument, since it was only ever called thus:
	it->fillWithBibKeys(d->bibinfo_, it);
This could be useful later, if we decide to try to do the work that
fillWithBibKeys did from updateLabels().

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@35106 a592a061-630c-0410-9148-cb99ea01b6c8