x86, mce: remove never executed code

fseverities_coverage is never NULL in err_out code path.
Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Reviewed-by: NAndi Kleen <andi@firstfloor.org>
Signed-off-by: NH. Peter Anvin <hpa@zytor.com>

arch/x86/kernel/cpu/mcheck/mce-severity.c

@@ -209,8 +209,6 @@ static int __init severities_debugfs_init(void)
 	return 0;
 
 err_out:
-	if (fseverities_coverage)
-		debugfs_remove(fseverities_coverage);
 	if (dmce)
 		debugfs_remove(dmce);
 	return -ENOMEM;