Merge pull request #924 from riderjensen/master

Remove population.io

README.md

@@ -566,7 +566,6 @@ API | Description | Auth | HTTPS | CORS |
 | [LinkPreview](https://www.linkpreview.net) | Get JSON formatted summary with title, description and preview image for any requested URL | `apiKey` | Yes | Yes |
 | [Marijuana Strains](http://strains.evanbusse.com/) | Marijuana strains, races, flavors and effects | `apiKey` | No | Unknown |
 | [Microlink.io](https://microlink.io) | Extract structured data from any website | No | Yes | Yes |
-| [Population.io](http://api.population.io/) | Open demographic data such as population tables, population rank and life expectancy | No | No | Unknown |
 | [Quandl](https://www.quandl.com/) | Stock Market Data | No | Yes | Unknown |
 | [Recreation Information Database](https://ridb.recreation.gov/) | Recreational areas, federal lands, historic sites, museums, and other attractions/resources(US) | `apiKey` | Yes | Unknown |
 | [Scoop.it](http://www.scoop.it/dev) | Content Curation Service | `apiKey` | No | Unknown |