Cleaned main.scm for GTA 3

Made at the request of the user StuartLittle
Completely clean main.scm.
Cut all!
Useful for modmakers and those who just want to run or travel around the city.

Author:  CHRISREDFIELD

Author`s e-mail:  danya.zagoruyko.98@mail.ru

Author`s site:  www.youtube.com/channel/UCNW2Mn-7-DVGDbk-vHwY9yA?view_as=subscriber