Merge pull request #52335 from alikhere/docs/bn-sync-_index.html

[bn] sync case-studies/_index.html

Author: k8s-ci-robot

content/bn/case-studies/_index.html

@@ -7,7 +7,4 @@
 class: gridPage
 body_class: caseStudies
 cid: caseStudies
-menu:
-  main:
-    weight: 60
 ---