EDAC, i7core: Remove set but not used variable pvt

Remove the unused local variable pvt:

  drivers/edac/i7core_edac.c: In function 'i7core_mce_check_error':
  drivers/edac/i7core_edac.c:1818:21: warning: variable 'pvt' set but not used \
	  [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1537841043-108267-1-git-send-email-yuehaibing@huawei.com

drivers/edac/i7core_edac.c

@@ -1815,14 +1815,12 @@ static int i7core_mce_check_error(struct notifier_block *nb, unsigned long val,
 	struct mce *mce = (struct mce *)data;
 	struct i7core_dev *i7_dev;
 	struct mem_ctl_info *mci;
-	struct i7core_pvt *pvt;
 
 	i7_dev = get_i7core_dev(mce->socketid);
 	if (!i7_dev)
 		return NOTIFY_DONE;
 
 	mci = i7_dev->mci;
-	pvt = mci->pvt_info;
 
 	/*
 	 * Just let mcelog handle it if the error is