a2x is never used although its presence is checked mandatorily.
Let's remove this superfluous check and the unused entry.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>