Actions: Remove docs-review workflow

Being replaced by internal automation that polls the repo for open labelled PRs, since this workflow currently cannot tag the docs team in a comment.

.github/workflows/docs-review.yml

@@ -1,29 +0,0 @@
-# When a PR is labelled with 'ready-for-docs-review',
-# this workflow comments on the PR to notify the GitHub CodeQL docs team.
-name: Request docs review
-on:
-  # Runs in the context of the base repo.
-  # This gives the workflow write access to comment on PRs.
-  # The workflow should not check out or build the given ref,
-  # or use untrusted data from the event payload in a command line.
-  pull_request_target:
-    types: [labeled]
-
-jobs:
-  request-docs-review:
-    name: Request docs review
-    # Run only on labelled PRs to the main repository.
-    # Do not run on PRs to forks.
-    if:
-      github.event.label.name == 'ready-for-docs-review'
-      && github.event.pull_request.draft == false
-      && github.event.pull_request.base.repo.full_name == 'github/codeql'
-    runs-on: ubuntu-latest
-    steps:
-      - name: Comment to request docs review
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          PR_NUMBER: ${{ github.event.pull_request.number }}
-        run: |
-          gh pr comment "$PR_NUMBER" --repo "github/codeql" \
-            --body "Hello @github/docs-content-codeql - this PR is ready for docs review."