remove RageFileObj::SeekCur

stepmania/src/RageFileDriver.cpp

@@ -37,11 +37,6 @@ int RageFileObj::Seek( int offset )
 	return parent.Tell();
 }
 
-int RageFileObj::SeekCur( int offset )
-{
-	return Seek( parent.Tell() + offset );
-}
-
 int RageFileObj::GetFileSize()
 {
 	int OldPos = parent.Tell();

stepmania/src/RageFileDriver.h

@@ -46,7 +46,6 @@ public:
 //	virtual CString RealPath() const { return parent->GetPath(); }
 	
 	virtual int Seek( int offset );
-	virtual int SeekCur( int offset );
 	virtual int GetFileSize();
 	virtual CString GetDisplayPath() const { return parent.GetRealPath(); }