Unless you replace the RV toilet with a household one there will not be enough water flow per flush for it to be connected directly to a sewer connection with no intervening tank. You will get clogs.
If the tank works properly then you are better off using it and pulling the dump valve once it gets full. Valterra makes connectors for semi-permanent attachment of a sewage line to the existing bayonet connector.
To learn to see below the surface, you must adjust your altitude