block: sed-opal: Remove always false conditional statement

In the function 'response_parse', num_entries will never be 0 as
slen is checked for 0. Hence, the condition 'if (num_entries == 0)'
can never be true.

Signed-off-by: Revanth Rajashekar <revanth.rajashekar@intel.com>
Reviewed-by: Scott Bauer <sbauer@plzdonthack.me>
Reviewed-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

block/sed-opal.c

@@ -905,10 +905,6 @@ static int response_parse(const u8 *buf, size_t length,
 		num_entries++;
 	}
 
-	if (num_entries == 0) {
-		pr_debug("Couldn't parse response.\n");
-		return -EINVAL;
-	}
 	resp->num = num_entries;
 
 	return 0;