Example cleanup

examples/unix/c11/z_sub_liveliness.c

@@ -12,7 +12,6 @@
 //   ZettaScale Zenoh Team, <[email protected]>
 //
 
-#include <ctype.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -22,8 +21,6 @@
 
 #if Z_FEATURE_SUBSCRIPTION == 1 && Z_FEATURE_LIVELINESS == 1
 
-static int msg_nb = 0;
-
 void data_handler(z_loaned_sample_t *sample, void *ctx) {
     (void)(ctx);
     z_view_string_t key_string;
@@ -117,13 +114,7 @@ int main(int argc, char **argv) {
     while (1) {
         z_sleep_s(1);
     }
-    printf("Press CTRL-C to quit...\n");
-    while (1) {
-        if ((n != 0) && (msg_nb >= n)) {
-            break;
-        }
-        sleep(1);
-    }
+
     // Clean up
     z_drop(z_move(sub));
     z_drop(z_move(s));