TEST_FONTS_MISSING is just adding confusion since it tests for hardcoded
font names, while what we really want (most of time) is to check whether
bundled fonts are enabled or not, and HAVE_MORE_FONTS just does that.

Change-Id: I1b00d359c37fa49584ca27c319d6d0e937c3b20b
Reviewed-on: https://gerrit.libreoffice.org/57136
Tested-by: Jenkins
Reviewed-by: Khaled Hosny <khaledhosny@eglug.org>