remove: Docs (impress) and People (desk) from La Suite

Collabora stays (Drive needs it for WOPI document editing).
Removed: Helm charts, values, nginx configs, patches, OIDC clients,
Vault secrets, S3 buckets, Pingora routes, Kratos return URLs,
overlay image overrides and resource patches, local-up.sh restarts.

scripts/local-up.sh

@@ -167,9 +167,6 @@ for ns_deploy in \
   "devtools/gitea" \
   "storage/seaweedfs-filer" \
   "lasuite/hive" \
-  "lasuite/people-backend" \
-  "lasuite/people-celery-worker" \
-  "lasuite/people-celery-beat" \
   "media/livekit-server"; do
   ns="${ns_deploy%%/*}"
   dep="${ns_deploy##*/}"