- scriptified P_CalcHeight.

This was the only code using the ViewBob member variable.
This also moves the range check for this variable to its application, because a badly behaved mod can just as easily change it at run time instead of just setting an absurdly large value in the class definition.

src/g_game.cpp

@@ -2001,8 +2001,6 @@ CUSTOM_CVAR (Int, autosavecount, 4, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
 		self = 0;
 }
 
-extern void P_CalcHeight (player_t *);
-
 void G_DoAutoSave ()
 {
 	FString description;