Remove leftover code from the work with the advanced queue.
Issue #1964360 by Amitaibu: Added Provide option to deny access to terms.
Issue #1966438 by Amitaibu: Fixed Notice in og_vocab_realtion_delete() upon group delete.
Fix use of undeclared variable in og_vocab_autocomplete_callback().
Issue #1959726 by RoySegall, Amitaibu: Fixed Vocabulary don't appear in the same order in the nodes groups.
Issue #1945812 by RoySegall | Amitaibu: Use core's Queue instead of advacned-queue.
Creating the sturcture using drupal queue.
Fill in field name for OG vocabularies without a field name.
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