Merge pull request #52266 from lmktfy/20250907_fix_cluster_setup_large_de

[de] Fix large cluster guidelines page

Author: k8s-ci-robot

content/de/docs/setup/best-practices/grosser-cluster.md renamed to content/de/docs/setup/best-practices/cluster-large.md

@@ -1,6 +1,4 @@
 ---
-reviewers:
-- lavalamp
 title: Überlegungen für große Cluster
 weight: 10
 ---