Remove unnecessary header fields from docs

examples/basics/docs-examples-from-docusaurus/doc1.md

@@ -2,10 +2,6 @@
 id: doc1
 title: Docusaurus
 sidebar_title: Docusaurus Guide
-layout: docs
-category: Docusaurus
-permalink: docs/en/doc1.html
-next: doc2
 ---
 
 ## Getting Started

examples/basics/docs-examples-from-docusaurus/doc2.md

@@ -1,11 +1,6 @@
 ---
 id: doc2
 title: document number 2
-layout: docs
-category: First Category
-permalink: docs/en/doc2.html
-previous: doc1
-next: doc3
 ---
 
 This is a link to [another document.](/docs/en/doc3.md)  

examples/basics/docs-examples-from-docusaurus/doc3.md

@@ -1,10 +1,6 @@
 ---
 id: doc3
 title: This is document number 3
-layout: docs
-category: Second Category
-permalink: docs/en/doc3.html
-previous: doc2
 ---
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. In ac euismod odio, eu consequat dui. Nullam molestie consectetur risus id imperdiet. Proin sodales ornare turpis, non mollis massa ultricies id. Nam at nibh scelerisque, feugiat ante non, dapibus tortor. Vivamus volutpat diam quis tellus elementum bibendum. Praesent semper gravida velit quis aliquam. Etiam in cursus neque. Nam lectus ligula, malesuada et mauris a, bibendum faucibus mi. Phasellus ut interdum felis. Phasellus in odio pulvinar, porttitor urna eget, fringilla lectus. Aliquam sollicitudin est eros. Mauris consectetur quam vitae mauris interdum hendrerit. Lorem ipsum dolor sit amet, consectetur adipiscing elit.
 

examples/basics/docs-examples-from-docusaurus/exampledoc4.md

@@ -1,10 +1,6 @@
 ---
 id: doc4
 title: Other Document
-layout: docs-other
-category: First Category
-permalink: docs/en/doc4.html
-next: doc5
 ---
 
 this is another document

examples/basics/docs-examples-from-docusaurus/exampledoc5.md

@@ -1,10 +1,6 @@
 ---
 id: doc5
 title: Fifth Document
-layout: docs-other
-category: First Category
-permalink: docs/en/doc5.html
-previous: doc4
 ---
 
 Another one