docs: Remove pre-commit hook references from CLAUDE.md

The pre-commit hooks were not functional (removed in separate PR), so
updating the documentation to reflect that developers should manually
run lint before committing.

Author: hristoterezov

CLAUDE.md

@@ -15,9 +15,7 @@ This is `@jitsi/js-utils`, a collection of utility libraries for Jitsi JavaScrip
 
 ### Linting
 - `npm run lint` - Run ESLint using @jitsi/eslint-config
-
-### Pre-commit Hooks
-The project has pre-commit hooks configured for `lint` and `test` (though test script is not currently defined).
+- Always run linting before committing changes
 
 ## Code Architecture