I still haven’t figured out how to get of these engine projects appearing in the launcher.
I looked at all the AppData files for the launcher.
I tried to remove any CreatedProjectPaths in the Launcher’s GameUserSettings.ini located in C:\Users\***\AppData\Local\EpicGamesLauncher\Saved\Config\Windows that referenced the engine locations.
It didn’t work 
Just checking if anyone had this issue and figured out how to fix it.