Revert "Add Dec RNs + minor edits"

Author: CelesteCasali

PULLMERGE.md

@@ -60,10 +60,6 @@ Clone the repository.  You can have multiple clones of the same repository on yo
 
 1. Go to your `pullmerge` copy of the `developer.concur.com` repository
 
-        cd ~/pullmerges/developer.concur.com
-
-* Mac Users
-
         cd pullmerges/developer.concur.com
 
 2. Ensure you're on `main` branch, and it's up to date

src/_data/sidebars/tools-support.yml

@@ -5,8 +5,6 @@
 - title: Developer Platform Release Notes
   url: ''
   children:
-      - title: December 2025
-        url: /tools-support/release-notes/api/2025-12-04.html
       - title: November 2025
         url: /tools-support/release-notes/api/2025-11-11.html
       - title: October 2025