Resolves: tdf#125197 duplicate column checkbox position

Change-Id: Ia4424b2be84ece65305bb4e5bed505bed49ebda8
Reviewed-on: https://gerrit.libreoffice.org/72106
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

sw/source/ui/config/optload.cxx

@@ -492,7 +492,6 @@ SwCaptionOptPage::SwCaptionOptPage(TabPageParent pParent, const SfxItemSet& rSet
 
     std::vector<int> aWidths;
     aWidths.push_back(m_xCheckLB->get_checkbox_column_width());
-    aWidths.push_back(m_xCheckLB->get_checkbox_column_width());
     m_xCheckLB->set_column_fixed_widths(aWidths);
 
     SwStyleNameMapper::FillUIName(RES_POOLCOLL_LABEL_ABB, m_sIllustration);