Filter out bookmark labels, reverts the changes from #2687
Filter out bookmark labels, reverts the changes from #2687

Parent of label bookmarks have a corresponding guid of "tags________"
AdamHillier/activity-stream,Mardak/activity-stream,JaredKerim-Mozilla/activity-stream,AdamHillier/activity-stream,Mardak/activity-stream,mozilla/activity-stream,sarracini/activity-stream,sarracini/activity-stream,rlr/activity-streams,mozilla/activity-stream,mozilla/activity-streams,rlr/activity-streams,mozilla/activity-streams,JaredKerim-Mozilla/activity-stream,rlr/activity-streams,Mardak/activity-stream,mozilla/activity-stream,mozilla/activity-stream,Mardak/activity-stream,JaredKerim-Mozilla/activity-stream,rlr/activity-streams,AdamHillier/activity-stream,sarracini/activity-stream,AdamHillier/activity-stream,JaredKerim-Mozilla/activity-stream,sarracini/activity-stream