do not cleanup exec in cleanup pod

Let pts loop or signal loop do the cleanup job. fix the
possible double free of exec.

Signed-off-by: Gao feng <omarapazanadi@gmail.com>

src/container.c

@@ -631,6 +631,13 @@ void hyper_cleanup_container(struct hyper_pod *pod)
 		}
 		free(c->maps);
 		close(c->ns);
+
+		free(c->exec.id);
+		for (i = 0; i < c->exec.argc; i++) {
+			//fprintf(stdout, "argv %d %s\n", i, exec->argv[i]);
+			free(c->exec.argv[i]);
+		}
+		free(c->exec.argv);
 	}
 
 	free(pod->c);

src/exec.c

@@ -637,7 +637,7 @@ int hyper_send_exec_eof(int to, struct hyper_pod *pod,
 
 	return 0;
 }
-
+/*
 void hyper_cleanup_exec(struct hyper_pod *pod)
 {
 	struct hyper_exec *exec, *next;
@@ -647,3 +647,4 @@ void hyper_cleanup_exec(struct hyper_pod *pod)
 		hyper_release_exec(exec, pod);
 	}
 }
+*/

src/init.c

@@ -938,7 +938,6 @@ static void hyper_cleanup_shared(struct hyper_pod *pod)
 
 void hyper_cleanup_pod(struct hyper_pod *pod)
 {
-	hyper_cleanup_exec(pod);
 	hyper_cleanup_container(pod);
 	hyper_cleanup_network(pod);
 	hyper_cleanup_shared(pod);