Remove receiving of unused return value

CLA: trivial

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from #23277)

apps/s_time.c

@@ -310,7 +310,6 @@ int s_time_main(int argc, char **argv)
     }
     totalTime += tm_Time_F(STOP); /* Add the time for this iteration */
 
-    i = (int)((long)time(NULL) - finishtime + maxtime);
     printf
         ("\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n",
          nConn, totalTime, ((double)nConn / totalTime), bytes_read);
@@ -338,7 +337,7 @@ int s_time_main(int argc, char **argv)
         buf_len = BIO_snprintf(buf, sizeof(buf), fmt_http_get_cmd, www_path);
         if (buf_len <= 0 || SSL_write(scon, buf, buf_len) <= 0)
             goto end;
-        while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
+        while (SSL_read(scon, buf, sizeof(buf)) > 0)
             continue;
     }
     SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);