ALSA: emu10k1: remove useless resets of stop-on-loop-end bits

We initialize them at card init and don't touch them later, so there is
no need to reset them again at voice start.

Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Link: https://lore.kernel.org/r/20230516093612.3536451-4-oswald.buddenhagen@gmx.de


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