ALSA: emu10k1: Fix typo in comments

Remove the rebundant word "in" in comments.
Signed-off-by: shaomin Deng <dengshaomin@cdjrlc.com>
Link: https://lore.kernel.org/r/20220721150528.22099-1-dengshaomin@cdjrlc.comSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/emu10k1/memory.c

@@ -324,7 +324,7 @@ snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *subst
 		return NULL;
 	}
 	/* fill buffer addresses but pointers are not stored so that
-	 * snd_free_pci_page() is not called in in synth_free()
+	 * snd_free_pci_page() is not called in synth_free()
 	 */
 	idx = 0;
 	for (page = blk->first_page; page <= blk->last_page; page++, idx++) {