Merge pull request #51965 from my-git9/npa-1141

[zh-cn]sync case-studies/_index.html

Author: k8s-ci-robot

content/zh-cn/case-studies/_index.html

@@ -7,10 +7,8 @@
 class: gridPage
 body_class: caseStudies
 cid: caseStudies
-menu:
-  main:
-    weight: 60 
 ---
+
 <!--
 title: Case Studies
 linkTitle: Case Studies
@@ -20,7 +18,4 @@
 class: gridPage
 body_class: caseStudies
 cid: caseStudies
-menu:
-  main:
-    weight: 60 
 -->