Minor refactor of CVE-2021-32765 fix.

Since `hi_calloc` always passes through one of our wrapper functions,
we can perform this overflow in the wrapper, and get protection
everywhere.

Previous commit: 76a7b10005c70babee357a7d0f2becf28ec7ed1e

Related vuln ID: CVE-2021-32765
[Full Details](https://github.com/redis/hiredis/security/advisories/GHSA-hfm9-39pp-55p2)

1 files changed, 0 insertions, 1 deletions

diff --git a/hiredis.c b/hiredis.c
index 15de4ad..7e7af82 100644
--- a/hiredis.c
+++ b/hiredis.c
@@ -178,7 +178,6 @@ static void *createArrayObject(const redisReadTask *task, size_t elements) {
         return NULL;
 
     if (elements > 0) {
-        if (SIZE_MAX / sizeof(redisReply*) < elements) return NULL;  /* Don't overflow */
         r->element = hi_calloc(elements,sizeof(redisReply*));
         if (r->element == NULL) {
             freeReplyObject(r);