Related: tdf#128743 fix unwanted background color of transparent wallpaper

With this, the unwanted line at the top of the background image goes
away and we can consider re-adding those images again in the future.

Change-Id: I36822e84ab38b0b534371f939592f6a270f2d326
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/97482
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
diff --git a/sfx2/source/dialog/backingwindow.cxx b/sfx2/source/dialog/backingwindow.cxx
index 17744358..3b85a2e 100644
--- a/sfx2/source/dialog/backingwindow.cxx
+++ b/sfx2/source/dialog/backingwindow.cxx
@@ -271,7 +271,6 @@
    // motif image under the buttons
    Wallpaper aWallpaper(get<FixedImage>("motif")->GetImage().GetBitmapEx());
    aWallpaper.SetStyle(WallpaperStyle::BottomRight);
    aWallpaper.SetColor(aButtonsBackground);

    mpButtonsBox->SetBackground(aWallpaper);