docs: remove unused contributor steps (#14938)

docs/docs/contributing/integrations.mdx

@@ -135,11 +135,8 @@ Documentation is generated from Jupyter notebooks in the `docs/` directory. You
 
 Contributor steps:
 
-- [ ] Add the new package to the API reference dropdown in `docs/api_reference/themes/scikit-learn-modern/nav.html`
-- [ ] Add package (e.g. `langchain-parrot-link`) to API docs build in `docs/api_reference/requirements.txt`
 - [ ] Add secret names to manual integrations workflow in `.github/workflows/_integration_test.yml`
 - [ ] Add secrets to release workflow (for pre-release testing) in `.github/workflows/_release.yml`
-- [ ] Add library choice to top of `.github/workflows/_release.yml`
 
 Maintainer steps (Contributors should **not** do these):