This is the response I got from Kevin at Genealogy.com when I asked that question. You can take from it what you will but I read it as yes, that is going to happen but we don't want to tell you that right now.
"Thank you for contacting Genealogy.com Technical Support in regard to GenForum being discontinued.
We do not have any specific information that we can provide at this time.If this is to occur an official statement would appear on the web site.Unfortunately this is the only information we can presently provide you with.
If you need additional assistance please let us know.