chore: remove auto-merge-dependabot reusable workflow

AGENTS.md

@@ -17,7 +17,6 @@ Centralized defaults and automation for all `benhigham` GitHub repositories:
   workflows/
     lint.yml                   # Lint and format check on PRs and pushes to main
     release-changesets.yml     # Reusable: versioning and npm publishing via Changesets
-    auto-merge-dependabot.yml  # Reusable: approve and merge Dependabot PRs by semver
   ISSUE_TEMPLATE/              # Issue form templates
   pull_request_template.md     # Default PR template
   dependabot.yml               # Dependabot config (npm, github-actions, docker, terraform, etc.)

README.md

@@ -39,21 +39,3 @@ jobs:
       node-version: "24"
       needs-build: true
 ```
-
-### Auto-merge Dependabot
-
-Automatically approves and merges Dependabot PRs based on semver rules.
-
-```yaml
-name: Auto-merge Dependabot
-on:
-  pull_request:
-
-jobs:
-  auto-merge:
-    uses: benhigham/.github/.github/workflows/auto-merge-dependabot.yml@main
-    with:
-      auto-merge-patch: true
-      auto-merge-minor: true
-      merge-method: squash
-```