update

Author: chenshuai2144

docs/playground/pro-layout.en-US.md

@@ -10,7 +10,3 @@ nav:
 ## Layout 自定义
 
 <code src="../../packages/layout/src/demos/dynamic-settings.tsx"  background="var(--main-bg-color)" title="属性展示"></code>
-
-## 水印自定义
-
-<code src="../../packages/layout/src/components/WaterMark/demos/custom.tsx" background="var(--main-bg-color)"></code>

docs/playground/pro-layout.md

@@ -11,7 +11,3 @@ nav:
 ## Layout 自定义
 
 <code src="../../packages/layout/src/demos/dynamic-settings.tsx"  background="var(--main-bg-color)" iframe="500" title="属性展示"></code>
-
-## 水印自定义
-
-<code src="../../packages/layout/src/components/WaterMark/demos/custom.tsx" background="var(--main-bg-color)" iframe="500"></code>