remove unused InputMapper::IsMapped(GameInput)

stepmania/src/InputMapper.cpp

@@ -729,16 +729,6 @@ bool InputMapper::IsMapped( const DeviceInput &DeviceI )
 	return g_tempDItoGI.find(DeviceI) != g_tempDItoGI.end();
 }
 
-bool InputMapper::IsMapped( const GameInput &GameI )
-{
-	for( int i=0; i<NUM_GAME_TO_DEVICE_SLOTS; i++ )
-		if( m_GItoDI[GameI.controller][GameI.button][i].IsValid() )
-			return true;
-
-	return false;
-}
-
-
 void InputMapper::UpdateTempDItoGI()
 {
 	// repopulate g_tempDItoGI

stepmania/src/InputMapper.h

@@ -32,7 +32,6 @@ public:
 	bool CheckForChangedInputDevicesAndRemap( RString &sMessageOut );
 
 	bool IsMapped( const DeviceInput &DeviceI );
-	bool IsMapped( const GameInput &GameI );
 	
 	bool DeviceToGame( const DeviceInput &DeviceI, GameInput& GameI );	// return true if there is a mapping from device to pad
 	bool GameToDevice( const GameInput &GameI, int iSoltNum, DeviceInput& DeviceI );	// return true if there is a mapping from pad to device