cleanup: remove more old CDrom cruft from the code

now that the CDromEjectionErrorMessageBoxCallBack is no longer referenced

Ja2/GameSettings.cpp

@@ -92,14 +92,11 @@ CTH_CONSTANTS gGameCTHConstants;	// HEADROCK HAM 4: CTH constants
 MOD_SETTINGS gModSettings;	//DBrot: mod specific settings
 ITEM_SETTINGS gItemSettings;	// silversurfer: item property modifiers
 
-extern	SGPFILENAME	gCheckFilenames[];
 extern	CHAR8		gzErrorMsg[256];
 extern INT16 APBPConstants[TOTAL_APBP_VALUES];
 
 void		InitGameSettings();
 
-BOOLEAN GetCdromLocationFromIniFile( STR pRootOfCdromDrive );
-
 // these wrappers have the benefit that changing the location of the variable (gameinitoptionscreen/ini/ingame options) doesn't require huge changes throughout the code
 // additionally, turning off a feature (for UB, for MP...) can be done here without additional checks in the code
 bool UsingNewInventorySystem()
@@ -4299,22 +4296,6 @@ void FreeGameExternalOptions()
 {
 }
 
-void CDromEjectionErrorMessageBoxCallBack( UINT8 bExitValue )
-{
-	if( bExitValue == MSG_BOX_RETURN_OK )
-	{
-		SetOptionsPreviousScreen(GAME_SCREEN);
-
-		//if we are in a game, save the game
-		if( gTacticalStatus.fHasAGameBeenStarted )
-		{
-			SaveGame( SAVE__ERROR_NUM, pMessageStrings[ MSG_CDROM_SAVE ] );
-		}
-
- 		//quit the game
-		gfProgramIsRunning = FALSE;
-	}
-}
 void DisplayGameSettings( )
 {
 	//Display the version number

Ja2/GameSettings.h

@@ -2806,8 +2806,6 @@ void InitFeatureFlags();
 BOOLEAN SaveFeatureFlags();
 BOOLEAN LoadFeatureFlags();
 
-BOOLEAN GetCDLocation( );
-
 void DisplayGameSettings( );
 
 BOOLEAN MeanwhileSceneSeen( UINT8 ubMeanwhile );

Ja2/Init.cpp

@@ -70,7 +70,6 @@
 
 extern INT16 APBPConstants[TOTAL_APBP_VALUES] = {0};
 extern INT16 gubMaxActionPoints[TOTALBODYTYPES];//MAXBODYTYPES = 28... JUST GETTING IT TO WORK NOW.  GOTTHARD 7/2/08
-extern BOOLEAN GetCDromDriveLetter( STR8	pString );
 
 // The InitializeGame function is responsible for setting up all data and Gaming Engine
 // tasks which will run the game

Ja2/Intro.cpp

@@ -259,8 +259,6 @@ static VideoFileNames_t s_VFN;
 INT8	gbIntroScreenMode=-1;
 
 
-extern	void		CDromEjectionErrorMessageBoxCallBack( UINT8 bExitValue );
-
 void		GetIntroScreenUserInput();
 BOOLEAN		EnterIntroScreen();
 void		RenderIntroScreen();