docs: remove contributors section (#21)

README.md

@@ -35,19 +35,6 @@ Install this via pip (or your favourite package manager):
 
 `pip install aiortm`
 
-## Contributors ✨
-
-Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):
-
-<!-- prettier-ignore-start -->
-<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
-<!-- markdownlint-disable -->
-<!-- markdownlint-enable -->
-<!-- ALL-CONTRIBUTORS-LIST:END -->
-<!-- prettier-ignore-end -->
-
-This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!
-
 ## Credits
 
 This package was created with