in May: "Disable ScreenSelectDifficultyEX; it was superseded by ScreenSelectMaster.

I don't think anything uses it (not sure if it still works); I'll wait a few snapshots
before removing it, though."  It's been a few snapshots ...

stepmania/src/Screen.cpp

@@ -257,7 +257,6 @@ void Screen::ClearMessageQueue( const ScreenMessage SM )
 #include "ScreenPlayerOptions.h"
 #include "ScreenSandbox.h"
 #include "ScreenSelectDifficulty.h"
-// #include "ScreenSelectDifficultyEX.h"
 #include "ScreenSelectGroup.h"
 #include "ScreenSelectMusic.h"
 #include "ScreenSelectStyle.h"
@@ -325,7 +324,6 @@ Screen* Screen::Create( CString sClassName )
 	IF_RETURN( ScreenPlayerOptions );
 	IF_RETURN( ScreenSandbox );
 	IF_RETURN( ScreenSelectDifficulty );
-//	IF_RETURN( ScreenSelectDifficultyEX );
 	IF_RETURN( ScreenSelectGroup );
 	IF_RETURN( ScreenSelectMusic );
 	IF_RETURN( ScreenSelectStyle5th );

stepmania/src/StepMania.dsp

@@ -2691,14 +2691,6 @@ SOURCE=.\ScreenSelectDifficulty.h
 # End Source File
 # Begin Source File
 
-SOURCE=.\ScreenSelectDifficultyEX.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\ScreenSelectDifficultyEX.h
-# End Source File
-# Begin Source File
-
 SOURCE=.\ScreenSelectGroup.cpp
 # End Source File
 # Begin Source File

stepmania/src/StepMania.vcproj

@@ -445,12 +445,6 @@ cl /Zl /nologo /c verstub.cpp /Fo"$(IntDir)"\
 			<File
 				RelativePath="ScreenSelectDifficulty.h">
 			</File>
-			<File
-				RelativePath="ScreenSelectDifficultyEX.cpp">
-			</File>
-			<File
-				RelativePath="ScreenSelectDifficultyEX.h">
-			</File>
 			<File
 				RelativePath="ScreenSelectGroup.cpp">
 			</File>