Revert "Add PR intake loop runbook (#2757)" (#2758)

This reverts commit 5f149ef.

Co-authored-by: kamalsrini <6233046+kamalsrini@users.noreply.github.com>

Author: kamalsrini

CONTRIBUTING.md

@@ -191,9 +191,6 @@ Release artifacts are checksummed by the GitHub release workflow. See
 [docs/release-integrity.md](docs/release-integrity.md) before changing release
 packaging.
 
-Maintainers can use [docs/pr-intake-loop.md](docs/pr-intake-loop.md) to turn
-incoming GitHub PRs into Linear-tracked review, verification, and merge work.
-
 ### Normalized JSON output
 
 Every skill must be able to emit findings as normalized JSON that validates

README.md

@@ -136,9 +136,6 @@ Release archives include SHA-256 checksums generated by the release workflow.
 See [`docs/release-integrity.md`](docs/release-integrity.md) for verification
 steps.
 
-Incoming pull requests can be processed with the reusable PR intake loop in
-[`docs/pr-intake-loop.md`](docs/pr-intake-loop.md).
-
 CI/CD examples for GitHub Actions, GitLab CI, Azure DevOps, Jenkins,
 pre-commit, and local agent usage are available in
 [`docs/ci-cd-examples.md`](docs/ci-cd-examples.md). Validate those examples