Remove global args from main game loadlevel() functions

This removes global args from Finalclass.cpp, Labclass.cpp,
Otherlevel.cpp, Spacestation2.cpp, and WarpClass.cpp.

desktop_version/src/Finalclass.h

@@ -10,7 +10,7 @@
 class finalclass
 {
 public:
-    std::vector<std::string> loadlevel(int rx, int ry, Game& game, entityclass& obj);
+    std::vector<std::string> loadlevel(int rx, int ry);
 
     std::string roomname;
     int coin, rcol;