This commit removes some ::rtl:: prefixes and some macros in OOX

Change-Id: I0c5ad9805ec2e8ed1092c56fe32e6901fdbd2b67
Signed-off-by: José Guilherme Vanz <guilherme.sft@gmail.com>
Reviewed-on: https://gerrit.libreoffice.org/1261Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>