m_DelEntryList is unused

since...

commit 08da15cabdcef60191f4ed98ed694eba3e35b5e1
Author: Jakub Trzebiatowski <ubap.dev@gmail.com>
Date:   Fri Mar 11 20:58:34 2016 +0100

    tdf#90855 Improve the 'Insert Bookmark' dialog

Change-Id: Iabe462ddcfc2ea1a0eaeafe0d126f87158db97fd
Reviewed-on: https://gerrit.libreoffice.org/64987
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/sw/source/ui/config/optload.cxx b/sw/source/ui/config/optload.cxx
index 43ab575..4b763ec 100644
--- a/sw/source/ui/config/optload.cxx
+++ b/sw/source/ui/config/optload.cxx
@@ -982,9 +982,6 @@ void CaptionComboBox::RemoveEntryAt(sal_Int32 const nPos)
    // Remove old element
    ComboBox::RemoveEntryAt(nPos);

    // Don't add new entries to the list
    // add to DelEntryList
    m_DelEntryList.push_back(m_EntryList[nPos]);
    m_EntryList.erase(m_EntryList.begin() + nPos);
}

diff --git a/sw/source/uibase/inc/optload.hxx b/sw/source/uibase/inc/optload.hxx
index 881c3a6..cf7b270 100644
--- a/sw/source/uibase/inc/optload.hxx
+++ b/sw/source/uibase/inc/optload.hxx
@@ -102,7 +102,6 @@ public:
class CaptionComboBox : public ComboBox
{
    std::vector<OUString> m_EntryList;
    std::vector<OUString> m_DelEntryList;
    OUString const        aDefault;

    void InsertSorted(OUString const& rEntry);