ETS2 - Scania G,R,R4 & Streamline Truck

-Updated the mod for game version 1.44
-Updated engine sound definitions for Convoy
-Updated transmission sound definitions for Convoy
-Updated chassis definitions
-Added interior sound attenuation
-Removed obsolete wear attributes from Truck Dealer and Truck Browser definitions
-Removed obsolete steering wheel animation

Authors: RJL/Fordsonmies, LoaderSaints