[zh] Relocate feature-gates and feature-gates-removed

Author: windsonsea

content/zh-cn/docs/reference/command-line-tools-reference/feature-gates-removed.md renamed to content/zh-cn/docs/reference/command-line-tools-reference/feature-gates-removed/index.md

@@ -50,7 +50,7 @@ In the following table:
 - “结束（To）” 列（如果不为空）包含你仍然可以使用某个特性门控的最后一个 Kubernetes 版本。
   如果对应特性处于 “废弃” 或 “GA” 状态，则 “结束（To）” 列是该特性被移除时的 Kubernetes 版本。
 
-{{< table caption="Feature Gates Removed" >}}
+{{< table caption="已移除的特性门控" >}}
 
 <!--
 | Feature | Default | Stage | From | To |

content/zh-cn/docs/reference/command-line-tools-reference/feature-gates.md renamed to content/zh-cn/docs/reference/command-line-tools-reference/feature-gates/index.md

@@ -6,7 +6,6 @@ card:
   name: reference
   weight: 60
 ---
-
 <!--
 title: Feature Gates
 weight: 10