From someone that goes to WC quite often (twice a year, total of 16 to 20 days)... this change makes VERY good sense.
WC does a VERY large Breakfast service... as I understand things? Both the wonderful skillet, and ALC items are retained. LUNCH at WC is lower volume - it made no sense to offer an All You Can Eat Skillet here. DINNER was primarily focused on Families, most of whom were looking for the Skillet.
I think this entire change represents a General Manager (in Consultation with his head chef) fine tuning his restaurant offerings to what actual guests WANT. I know the restaurant, and the menu change makes total sense. In fact, it's one of the few cases where I have seen a Restaurant GM do exactly the RIGHT thing, both for his Restaurant, AND his clientele.