If you have access to the full game then don't worry about it. It might still label any digital version of the game as "Core Fighters." I know that with the physical versions, Xbox One still labels the full game as "Core Fighters", while PS4 doesn't.
Xbox one and I bought the full version of the game as my xbox literally never reads my disc and loads core fighter without my dlc and now with the digital version I'm still not able to play everybody lmao