[HUBZERO][#6855][PLG_COURSES_DISCUSSIONS] Removing some styles that aren't needed
[HUBZERO][#6855][PLG_COURSES_DISCUSSIONS] Removing some styles that aren't needed

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