Unused variable

Source commit: b73254f5392317d7523b3b354ef6f35d3228429f

deployment/winscpsetup.iss

@@ -700,9 +700,6 @@ end;
 
 #endif
 
-const
-  fsSurface = 0;
-
 procedure LoadBitmap(Image: TBitmapImage; FileName: string; BackgroundColor: TColor);
 var
   Bitmap: TBitmap;