Remove topics frontmatter from content/packages (#59909)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: subatoi <32935794+subatoi@users.noreply.github.com>

Author: Copilot

content/packages/working-with-a-github-packages-registry/migrating-to-the-container-registry-from-the-docker-registry.md

@@ -11,10 +11,6 @@ versions:
   ghec: '*'
   ghes: '*'
 shortTitle: Migration to Container registry
-topics:
-  - Containers
-  - Docker
-  - Migration
 ---
 
 {% data reusables.package_registry.container-registry-ghes-beta %}