Theres only one way you have to find the nearest hammer and smash your computer on the side two times then say abra-kah-dabra.And it will be gone trust me i had the same problem.
This.
get out
i delet it cuz I ahve so many maps my computer firewallis getting weaker (jk)the real reason:the laoding pick has the F word in it. if im gonna have a no swear server, I dont want to see rainbow road on the list.
Maybe I can Re-package it and make the loading screen the "Unknown Map" image. ( Like Blocko Raceway )