ALSA: emu10k1: Fix/cleanup ifdef CONFIG_PROC_FS

Build emuproc.o conditionally and drop the unneeded ifdefs.
Some are replaced with the new CONFIG_SND_PROC_FS.

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

sound/pci/emu10k1/emuproc.c

@@ -34,7 +34,6 @@
 #include <sound/emu10k1.h>
 #include "p16v.h"
 
-#ifdef CONFIG_PROC_FS
 static void snd_emu10k1_proc_spdif_status(struct snd_emu10k1 * emu,
 					  struct snd_info_buffer *buffer,
 					  char *title,
@@ -656,4 +655,3 @@ int snd_emu10k1_proc_init(struct snd_emu10k1 *emu)
 	}
 	return 0;
 }
-#endif /* CONFIG_PROC_FS */