FS-5395: False alarm on a reported valgrind memory leak. The io_private is alloc'd from a memory pool which valgrind sucks at tracking. No need to free this, because it'll get cleared when the memory pool on the rsession is destroyed.

src/mod/endpoints/mod_rtmp/rtmp_tcp.c

@@ -183,11 +183,6 @@ static switch_status_t rtmp_tcp_close(rtmp_session_t *rsession)
 		switch_buffer_destroy(&(io_pvt->sendq));
 	}
 	
-	if ( rsession->io_private ) {
-		free(rsession->io_private);
-		rsession->io_private = NULL;
-	}
-
 	return SWITCH_STATUS_SUCCESS;
 }