svtools: Drop ValueSetItem::mnTextOffset

After

    Change-Id: I0150e699602a625874e5a09b8df38110f52c0c03
    Author: Michael Weghorn <m.weghorn@posteo.de>
    Date:   Tue Oct 6 12:15:49 2026 +0200

        svtools: Drop now unused WB_NAMEFIELD logic from ValueSet

, that member is only written to, but never read, so drop
it completely.

Change-Id: I974183e725e3c530162152debd29bbf207b21b6b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/211899
Tested-by: Jenkins
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>

include/svtools/valueset.hxx

@@ -179,7 +179,6 @@ private:
     tools::Rectangle  maItemListRect;
     tools::Long            mnItemWidth;
     tools::Long            mnItemHeight;
-    tools::Long            mnTextOffset;
     tools::Long            mnVisLines;
     tools::Long            mnLines;
     tools::Long            mnUserItemWidth;

svtools/source/control/valueset.cxx

@@ -85,7 +85,6 @@ ValueSet::ValueSet(std::unique_ptr<weld::ScrolledWindow> pScrolledWindow)
 {
     mnItemWidth         = 0;
     mnItemHeight        = 0;
-    mnTextOffset        = 0;
     mnVisLines          = 0;
     mnLines             = 0;
     mnUserItemWidth     = 0;
@@ -790,10 +789,6 @@ void ValueSet::Format(vcl::RenderContext const & rRenderContext)
         aWinSize.AdjustHeight(-mnMargin * 2);
     }
 
-    mnTextOffset = 0;
-
-    mnTextOffset += mnMargin;
-
     // calculate number of columns
     if (!mnUserCols)
     {