Clean up 8.x branch (#1810)

* Revert "Add Fleet and Agent release notes 8.18.2 (#1799)"

This reverts commit ec1efa3.

* Add Fleet and Agent release notes 8.18.2

* clean up formatting

* add to toc

* clean up links

---------

Co-authored-by: Aleksandra Spilkowska <[email protected]>

Author: colleenmcginnis

.github/workflows/comment-on-asciidoc-changes.yml

@@ -15,75 +15,6 @@ pull_request_rules:
           git merge <remote-repo>/{{base}}
           git push <remote-repo> {{head}}
           ```
-  - name: backport patches to main branch
-    conditions:
-      - merged
-      - label=backport-main
-    actions:
-      backport:
-        assignees:
-          - "{{ author }}"
-        labels:
-          - "backport"
-        branches:
-          - "main"
-        title: "[{{ destination_branch }}](backport #{{ number }}) {{ title }}"
-  - name: backport patches to 8.x branch
-    conditions:
-      - merged
-      - base=main
-      - label=backport-8.x
-    actions:
-      backport:
-        assignees:
-          - "{{ author }}"
-        branches:
-          - "8.x"
-        title: "[{{ destination_branch }}] {{ title }} (backport #{{ number }})"
-        labels:
-          - backport
-  - name: backport patches to 8.18 branch
-    conditions:
-      - merged
-      - base=main
-      - label=backport-8.18
-    actions:
-      backport:
-        assignees:
-          - "{{ author }}"
-        branches:
-          - "8.18"
-        title: "[{{ destination_branch }}] {{ title }} (backport #{{ number }})"
-        labels:
-          - backport
-  - name: backport patches to 8.17 branch
-    conditions:
-      - merged
-      - base=main
-      - label=backport-8.17
-    actions:
-      backport:
-        assignees:
-          - "{{ author }}"
-        branches:
-          - "8.17"
-        title: "[{{ destination_branch }}] {{ title }} (backport #{{ number }})"
-        labels:
-          - backport
-  - name: backport patches to 8.16 branch
-    conditions:
-      - merged
-      - base=main
-      - label=backport-8.16
-    actions:
-      backport:
-        assignees:
-          - "{{ author }}"
-        branches:
-          - "8.16"
-        title: "[{{ destination_branch }}] {{ title }} (backport #{{ number }})"
-        labels:
-          - backport
   - name: backport patches to 8.15 branch
     conditions:
       - merged

.github/workflows/github-commands-comment.yml

@@ -18,7 +18,6 @@ include::8-ls-input.asciidoc[]
 
 include::99-airgapped.asciidoc[]
 
-
 // === Next set of architectures
 // include::3-schemamod.asciidoc[]
 // include::6b-filebeat-es.asciidoc[]