Revert "Added Prague Opendata"

This reverts commit 68b6bfb4.

README.md

@@ -99,7 +99,6 @@ A collective list of JSON APIs for use in web development.
 | Open Government, Australia | Australian Government Open Data | No |[Go!](https://www.data.gov.au/) |
 | Open Government, USA | United States Government Open Data | No |[Go!](https://www.data.gov/) |
 | Open Government, Canada | Canadian Government Open Data | No |[Go!](http://open.canada.ca/en) |
-| Opendata Prague | Prague City Open Data | No | [Go!](http://opendata.praha.eu/en) |
 | Quandl API | Stock Market Data | No |[Go!](https://www.quandl.com/) |
 | Wikipedia | Mediawiki API | No |[Go!](https://www.mediawiki.org/wiki/API:Main_page) |
 | Yelp | Find Local Business | Yes |[Go!](https://www.yelp.com/developers) |