Remove hint to post feedback about exhaustive-deps rule (#18712)

The thread is closed and locked.

Author: spawnia

packages/eslint-plugin-react-hooks/README.md

@@ -49,8 +49,6 @@ Or use the recommended config:
 
 Please refer to the [Rules of Hooks](https://reactjs.org/docs/hooks-rules.html) documentation and the [Hooks FAQ](https://reactjs.org/docs/hooks-faq.html#what-exactly-do-the-lint-rules-enforce) to learn more about this rule.
 
-For feedback about the `exhaustive-deps` rule, please post in [this thread](https://github.com/facebook/react/issues/14920).
-
 ## License
 
 MIT