Did Facebook remove Dating?

There is no separate Facebook Dating app or Facebook Dating site; the feature is integrated into the Facebook mobile app. If you become Facebook friends with some after matching with them on Facebook Dating, you can still see their dating profile.

Why is my gender not visible on Facebook dating?

In fact, we chose not to show your gender identity to potential matches in order to respect peoples privacy. Choice and Control: Facebook Dating is a dedicated space within the Facebook app, and we wont share your dating activity to your Facebook profile or News Feed.