By removing unnecessary variables/strings/function calls,
and making proper changes in the related .ui files.

As of this commit, all accessible relations have been
moved to .ui files other than a few exceptions.

Change-Id: Ic9dffdde414d245c13f13ee08543f90884991222
Reviewed-on: https://gerrit.libreoffice.org/26707Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>