[compiler] Update docs on eslint-plugin-react-hooks installation (#7956)

The compiler rule is now enabled by default in 6.0.0-rc.2, so there is no longer a need to manually enable the compiler rule in user's eslint configs.

Author: poteto

src/content/learn/react-compiler/installation.md

@@ -176,16 +176,7 @@ Install the ESLint plugin:
 npm install -D eslint-plugin-react-hooks@rc
 </TerminalBlock>
 
-Then enable the compiler rule in your ESLint configuration:
-
-```js {3}
-// .eslintrc.js
-module.exports = {
-  rules: {
-    'react-hooks/react-compiler': 'error',
-  },
-};
-```
+If you haven't already configured eslint-plugin-react-hooks, follow the [installation instructions in the readme](https://github.com/facebook/react/blob/main/packages/eslint-plugin-react-hooks/README.md#installation). The compiler rule is enabled by default in the latest RC, so no additional configuration is needed.
 
 The ESLint rule will:
 - Identify violations of the [Rules of React](/reference/rules)