ALSA: cs46xx: remove redundant pointer 'ins'

Pointer 'ins' is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
warning: variable 'ins' set but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/cs46xx/dsp_spos_scb_lib.c

@@ -73,13 +73,10 @@ static void cs46xx_dsp_proc_scb_info_read (struct snd_info_entry *entry,
 {
 	struct proc_scb_info * scb_info  = entry->private_data;
 	struct dsp_scb_descriptor * scb = scb_info->scb_desc;
-	struct dsp_spos_instance * ins;
 	struct snd_cs46xx *chip = scb_info->chip;
 	int j,col;
 	void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET;
 
-	ins = chip->dsp_spos_instance;
-
 	mutex_lock(&chip->spos_mutex);
 	snd_iprintf(buffer,"%04x %s:\n",scb->address,scb->scb_name);