signup-feature: remove selenium broken tests
signup-feature: remove selenium broken tests

These tests weren't working because acessing the signup before breaks
the return_to.

alexandreab/noosfero,tallysmartins/noosfero,coletivoEITA/noosfero-ecosol,blogoosfero/noosfero,evandrojr/noosfero,LuisBelo/tccnoosfero,tallysmartins/noosfero,macartur/noosfero,coletivoEITA/noosfero-ecosol,alexandreab/noosfero,larissa/noosfero,marcosronaldo/noosfero,AlessandroCaetano/noosfero,arthurmde/noosfero,blogoosfero/noosfero,evandrojr/noosfero,marcosronaldo/noosfero,AlessandroCaetano/noosfero,blogoosfero/noosfero,coletivoEITA/noosfero-ecosol,coletivoEITA/noosfero-ecosol,tallysmartins/noosfero,alexandreab/noosfero,alexandreab/noosfero,evandrojr/noosfero,evandrojr/noosfero,AlessandroCaetano/noosfero,arthurmde/noosfero,AlessandroCaetano/noosfero,CIRANDAS/noosfero-ecosol,macartur/noosfero,marcosronaldo/noosfero,larissa/noosfero,marcosronaldo/noosfero,blogoosfero/noosfero,blogoosfero/noosfero,vfcosta/noosfero,CIRANDAS/noosfero-ecosol,macartur/noosfero,evandrojr/noosfero,AlessandroCaetano/noosfero,marcosronaldo/noosfero,blogoosfero/noosfero,marcosronaldo/noosfero,tallysmartins/noosfero,larissa/noosfero,LuisBelo/tccnoosfero,AlessandroCaetano/noosfero,macartur/noosfero,larissa/noosfero,arthurmde/noosfero,arthurmde/noosfero,marcosronaldo/noosfero,LuisBelo/tccnoosfero,macartur/noosfero,AlessandroCaetano/noosfero,vfcosta/noosfero,larissa/noosfero,samasti/noosfero,alexandreab/noosfero,alexandreab/noosfero,tallysmartins/noosfero,vfcosta/noosfero,CIRANDAS/noosfero-ecosol,blogoosfero/noosfero,macartur/noosfero,evandrojr/noosfero,samasti/noosfero,samasti/noosfero,arthurmde/noosfero,vfcosta/noosfero,LuisBelo/tccnoosfero,alexandreab/noosfero,vfcosta/noosfero,coletivoEITA/noosfero-ecosol,tallysmartins/noosfero,LuisBelo/tccnoosfero,arthurmde/noosfero,samasti/noosfero,vfcosta/noosfero,samasti/noosfero,arthurmde/noosfero,CIRANDAS/noosfero-ecosol,LuisBelo/tccnoosfero,coletivoEITA/noosfero-ecosol,samasti/noosfero,larissa/noosfero,macartur/noosfero,tallysmartins/noosfero,evandrojr/noosfero,larissa/noosfero,CIRANDAS/noosfero-ecosol