remove leftover ref to angulartics in assets.py
remove leftover ref to angulartics in assets.py

smmbllsm/aleph,pudo/aleph,pudo/aleph,gazeti/aleph,gazeti/aleph,gazeti/aleph,alephdata/aleph,alephdata/aleph,alephdata/aleph,alephdata/aleph,alephdata/aleph,OpenGazettes/aleph,OpenGazettes/aleph,pudo/aleph,OpenGazettes/aleph,smmbllsm/aleph,gazeti/aleph,smmbllsm/aleph,OpenGazettes/aleph