Update README.md

removes pixelencounter

README.md

@@ -242,7 +242,6 @@ API | Description | Auth | HTTPS | CORS |
 | [Metropolitan Museum of Art](https://metmuseum.github.io/) | Met Museum of Art | No | Yes | No |
 | [Noun Project](http://api.thenounproject.com/index.html) | Icons | `OAuth` | No | Unknown |
 | [PHP-Noise](https://php-noise.com/) | Noise Background Image Generator | No | Yes | Yes |
-| [Pixel Encounter](https://pixelencounter.com/api) | SVG Icon Generator | No | Yes | No |
 | [Rijksmuseum](https://data.rijksmuseum.nl/object-metadata/api/) | RijksMuseum Data | `apiKey` | Yes | Unknown |
 | [Word Cloud](https://wordcloudapi.com/) | Easily create word clouds | `apiKey` | Yes | Unknown |
 | [xColors](https://x-colors.herokuapp.com/) | Generate & convert colors | No | Yes | Yes |