Remove trailing spaces from zh documents(#16742) (#16794)

Author: Yushiro FURUKAWA

content/zh/OWNERS

@@ -1,7 +1,7 @@
 # See the OWNERS docs at https://go.k8s.io/owners
 
 # This is the localization project for Chinese.
-# Teams and members are visible at https://github.com/orgs/kubernetes/teams. 
+# Teams and members are visible at https://github.com/orgs/kubernetes/teams.
 
 reviewers:
 - sig-docs-zh-reviews

content/zh/blog/_index.md

@@ -9,15 +9,15 @@ menu:
        <p>阅读关于 kubernetes 和容器规范的最新信息,以及获取最新的技术。</p>
 ---
 
-<!-- 
+<!--
 ---
 title: Kubernetes Blog
 linkTitle: Blog
 menu:
   main:
     title: "Blog"
     weight: 40
-    post: > 
+    post: >
        <p>Read the latest news for Kubernetes and the containers space in general, and get technical how-tos hot off the presses.</p>
 ---
 -->