docs: migrate to the built-in sitemap template (twbs#39951)

Author: aisteur

Bootstrap uzduotis 7.1/7.1. pav/pexels-amalsanthosh-662417.jpg

@@ -0,0 +1,4 @@
+.block {background-color: antiquewhite;
+    margin-top: 10px;
+    height:230px;}
+

Bootstrap uzduotis 7.1/7.1. pav/pexels-irenelasus-576296.jpg

@@ -5,7 +5,7 @@ description: ""
 url: /404.html
 robots: noindex,follow
 sitemap:
-  exclude: true
+  disable: true
 ---
 
 <div class="text-center py-5">

Bootstrap uzduotis 7.1/7.1. pav/pexels-lum3n-44775-406014.jpg

@@ -1,6 +1,6 @@
 ---
 layout: redirect
 sitemap:
-  exclude: true
+  disable: true
 redirect: "/docs/5.3/getting-started/introduction/"
 ---

Bootstrap uzduotis 7.1/7.1. pav/pexels-punchbrandstock-2023384.jpg

@@ -6,7 +6,7 @@ aliases: "/docsref/"
 toc: true
 robots: noindex,follow
 sitemap:
-  exclude: true
+  disable: true
 ---
 
 ## Buttons

Bootstrap uzduotis 7.1/7.1.css

@@ -1,6 +1,6 @@
 ---
 layout: redirect
 sitemap:
-  exclude: true
+  disable: true
 redirect: "/docs/5.3/getting-started/introduction/"
 ---