Update README.md. [Dog Facts] API doesn't exist anymore

REST API mentioned on this does not exist anymore 

| [Dog Facts](https://dukengn.github.io/Dog-facts-API/) | Random dog facts | No | Yes | Yes |

README.md

@@ -144,7 +144,6 @@ API | Description | Auth | HTTPS | CORS
 | [Cat Facts](https://alexwohlbruck.github.io/cat-facts/) | Daily cat facts | No | Yes | No | |
 | [Cataas](https://cataas.com/) | Cat as a service (cats pictures and gifs) | No | Yes | No |
 | [Cats](https://docs.thecatapi.com/) | Pictures of cats from Tumblr | `apiKey` | Yes | No |
-| [Dog Facts](https://dukengn.github.io/Dog-facts-API/) | Random dog facts | No | Yes | Yes |
 | [Dog Facts](https://kinduff.github.io/dog-api/) | Random facts of Dogs | No | Yes | Yes |
 | [Dogs](https://dog.ceo/dog-api/) | Based on the Stanford Dogs Dataset | No | Yes | Yes |
 | [eBird](https://documenter.getpostman.com/view/664302/S1ENwy59) | Retrieve recent or notable birding observations within a region | `apiKey` | Yes | No |