Drop dead code since 2002

AUGUSTUS has been never defined

Change-Id: I7dafcf57586483f590f26a1c164c8f958aa511f3
Reviewed-on: https://gerrit.libreoffice.org/8835
Reviewed-by: Chris Sherlock <chris.sherlock79@gmail.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>