No more uses of printer built in fonts

Less parsing of AFM files at startup.

Change-Id: I62d4c81d6e892f2356df22b53bb35c0f9f7bc344
Reviewed-on: https://gerrit.libreoffice.org/6860
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>