"RemovePlayer" pattern wrapper

[SaadBazaz]

[MonoPInvokeCallback(typeof(Action<string>))]
private static void RemovePlayer(string playerID)

Need a wrapper similar to OnPlayerJoin callback.
Currently we've generalized it for holding multiple callbacks, however, this pattern just needs a wrapper.

Link to discussion: https://discord.com/channels/867124708473700363/1234388527823982695/1293120507897446441