ALSA: emu10k1: simplify freeing synth voices

snd_emu10k1_voice_free() resets the hardware itself, so doing that
in the calling function as well is redundant.

Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230518140947.3725394-2-oswald.buddenhagen@gmx.de


Signed-off-by: Takashi Iwai <tiwai@suse.de>