Remove duplication in elideConstantJoin.
Remove duplication in elideConstantJoin.

drostron/quasar,drostron/quasar,jedesah/Quasar,drostron/quasar,djspiewak/quasar,jedesah/Quasar,jedesah/Quasar,slamdata/slamengine,slamdata/slamengine,quasar-analytics/quasar,jedesah/Quasar,quasar-analytics/quasar,slamdata/slamengine,slamdata/quasar,quasar-analytics/quasar,quasar-analytics/quasar,drostron/quasar