Reduce repo settings we need to doc (#7397)

Author: trask

.github/repository-settings.md

@@ -1,98 +1,8 @@
 # Repository settings
 
-Repository settings in addition to what's documented already at
-<https://github.com/open-telemetry/community/blob/main/docs/how-to-configure-new-repository.md>.
-
-## General > Pull Requests
-
-- Allow squash merging > Default to pull request title
-
-- Allow auto-merge
-
-## Actions > General
-
-- Fork pull request workflows from outside collaborators:
-  "Require approval for first-time contributors who are new to GitHub"
-
-  (To reduce friction for new contributors,
-  as the default is "Require approval for first-time contributors")
-
-- Workflow permissions
-  - Default permissions granted to the `GITHUB_TOKEN` when running workflows in this repository:
-    Read repository contents and packages permissions
-  - Allow GitHub Actions to create and approve pull requests: UNCHECKED
-
-## Rules > Rulesets
-
-### `main` and release branches
-
-- Targeted branches:
-  - `main`
-  - `release/*`
-- Branch rules
-  - Restrict deletions: CHECKED
-  - Require linear history: CHECKED
-  - Require a pull request before merging: CHECKED
-    - Required approvals: 1
-    - Require review from Code Owners: CHECKED
-    - Allowed merge methods: Squash
-  - Require status checks to pass
-    - Do not require status checks on creation: CHECKED
-    - Status checks that are required
-      - EasyCLA
-      - `required-status-check`
-      - `gradle-wrapper-validation`
-  - Block force pushes: CHECKED
-  - Require code scanning results: CHECKED
-    - CodeQL
-      - Security alerts: High or higher
-      - Alerts: Errors
-
-### `benchmarks` branch
-
-- Targeted branches:
-  - `benchmarks`
-- Branch rules
-  - Restrict deletions: CHECKED
-  - Require linear history: CHECKED
-  - Block force pushes: CHECKED
-
-### Old-style release branches
-
-- Targeted branches:
-  - `v0.*`
-  - `v1.*`
-- Branch rules
-  - Restrict creations: CHECKED
-  - Restrict updates: CHECKED
-  - Restrict deletions: CHECKED
-
-### Restrict branch creation
-
-- Targeted branches
-  - Exclude:
-    - `release/*`
-    - `renovate/**/*`
-    - `otelbot/**/*`
-    - `revert-*/**/*` (these are created when using the GitHub UI to revert a PR)
-- Restrict creations: CHECKED
-
-### Restrict updating tags
-
-- Targeted tags
-  - All tags
-- Restrict updates: CHECKED
-- Restrict deletions: CHECKED
-
-## Branch protections
-
-### `main`, `release/*`
-
-- Restrict who can push to matching branches: CHECKED
-
-## Code security and analysis
-
-- Secret scanning: Enabled
+This document describes any changes that have been made to the
+settings in this repository outside the settings tracked in the
+private admin repo.
 
 ## Secrets and variables > Actions