package/cups-filters: disable Braille embosing filters
Otherwise they are installed even though the Braille support is not
built because it requires liblouis, which is not available.
Signed-off-by: Carlos Santos <unixmania@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 3da92264c6dd693022d06fd2500878f7f5d492c2)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>