Merge pull request #1737 from public-apis/revert-1736-shreeshailaya

Revert "Add Cowin API " 

README.md

@@ -620,7 +620,6 @@ API | Description | Auth | HTTPS | CORS |
 | [Coronavirus in the UK](https://coronavirus.data.gov.uk/details/developers-guide) | UK Government coronavirus data, including deaths and cases by region | No | Yes | Unknown |
 | [Covid-19](https://covid19api.com/) | Covid 19 spread, infection and recovery | No | Yes | Yes |
 | [Covid-19](https://github.com/M-Media-Group/Covid-19-API) | Covid 19 cases, deaths and recovery per country | No | Yes | Yes |
-| [Covid-19 Cowin Government of India ](https://apisetu.gov.in/public/api/cowin) | Find appointment availabilty and to download vaccination certificates | `apiKey` | Yes | Unknow |
 | [Covid-19 Government Response](https://covidtracker.bsg.ox.ac.uk) | Government measures tracker to fight against the Covid-19 pandemic | No | Yes | Yes |
 | [COVID-19 Tracker Canada](https://api.covid19tracker.ca/docs/1.0/overview) | Details on Covid-19 cases across Canada | No | Yes | Unknown |
 | [Dataflow Kit COVID-19](https://covid-19.dataflowkit.com) | COVID-19 live statistics into sites per hour | No | Yes | Unknown |