restore: don't call fdstore_init twice

When the "core: Init fdstore even earlier" commit was moved into
the master branch, one hunk was lost.

https://github.com/checkpoint-restore/criu/issues/460Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

criu/cr-restore.c

@@ -1648,9 +1648,6 @@ static int restore_task_with_children(void *_arg)
 
 	/* Restore root task */
 	if (current->parent == NULL) {
-		if (fdstore_init())
-			goto err;
-
 		if (join_namespaces()) {
 			pr_perror("Join namespaces failed");
 			goto err;