Do not use draft API

guestfs-inspectd.c

@@ -1,5 +1,3 @@
-#define CZMQ_BUILD_DRAFT_API
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -122,14 +120,8 @@ static void *worker_task(zsock_t *pipe, char *disk_path) {
       exit(EXIT_FAILURE);
     }
 
-    zmsg_addstr(reply, "Hello from the worker!");
-    zmsg_set_routing_id(reply, zmsg_routing_id(msg));
-    zmsg_send(reply, pipe);
-
     zmsg_destroy(&msg);
-    zmsg_destroy(&reply);
 
-    printf("Sent reply from the worker\n");
   }
 
   guestfs_close(g);