Remove invalid domain

README.md

@@ -676,7 +676,6 @@ API | Description | Auth | HTTPS | Link |
 | Transport for Paris, France | RATP Open Data API | No | No | [Go!](http://data.ratp.fr/api/v1/console/datasets/1.0/search/) |
 | Transport for Paris, France | Live schedules made simple | No | No | [Go!](http://restratpws.azurewebsites.net/swagger/) |
 | Transport for Philadelphia, US | SEPTA APIs | No | No | [Go!](http://www3.septa.org/hackathon/) |
-| Transport for Rio de Janeiro, Brazil | Prefeitura do Rio (City Hall) | No | No | [Go!](http://data.rio/group/transporte-e-mobilidade) |
 | Transport for Sao Paulo, Brazil | SPTrans | `OAuth` | No | [Go!](http://www.sptrans.com.br/desenvolvedores/APIOlhoVivo/Documentacao.aspx) |
 | Transport for Sweden | Public Transport consumer | `OAuth` | Yes | [Go!](https://www.trafiklab.se/api) |
 | Transport for Switzerland | Swiss public transport API | No | Yes | [Go!](https://transport.opendata.ch/) |