Remove duplicated defines.
(From their use it looks like 'midiDataOutx are written to
rather than read from.)
Signed-off-by: NNicolas Kaiser <nikai@nikai.net>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@perex.cz>