[PLG_CONTENT_XHUBTAGS] Removing methods no longer needed or used
[PLG_CONTENT_XHUBTAGS] Removing methods no longer needed or used

anthonyfuentes/hubzero-cms,anthonyfuentes/hubzero-cms,anthonyfuentes/hubzero-cms,zooley/hubzero-cms,anthonyfuentes/hubzero-cms,zooley/hubzero-cms,zweidner/hubzero-cms,zooley/hubzero-cms,zweidner/hubzero-cms,zweidner/hubzero-cms,zweidner/hubzero-cms,zooley/hubzero-cms