removing unecessary expires attribute

include/ngx_http_push_stream_module.h

@@ -147,7 +147,6 @@ typedef struct {
     ngx_http_push_stream_subscription_t         subscriptions_sentinel;
     ngx_http_push_stream_subscriber_cleanup_t  *clndata;
     ngx_pid_t                                   worker_subscribed_pid;
-    time_t                                      expires;
     ngx_flag_t                                  longpolling;
 } ngx_http_push_stream_worker_subscriber_t;
 

src/ngx_http_push_stream_module_subscriber.c

@@ -457,7 +457,6 @@ ngx_http_push_stream_subscriber_prepare_request_to_keep_connected(ngx_http_reque
     worker_subscriber->longpolling = 0;
     worker_subscriber->request = r;
     worker_subscriber->worker_subscribed_pid = ngx_pid;
-    worker_subscriber->expires = (ngx_http_push_stream_module_main_conf->subscriber_connection_ttl == NGX_CONF_UNSET_MSEC) ? 0 : (ngx_time() + (ngx_http_push_stream_module_main_conf->subscriber_connection_ttl / 1000));
     ngx_queue_init(&worker_subscriber->queue);
     ngx_queue_init(&worker_subscriber->subscriptions_sentinel.queue);