Remove unneeded template files

docusaurus-site/docs/tutorial-basics/_category_.json

docusaurus-site/docs/tutorial-basics/congratulations.md

docusaurus-site/docs/tutorial-basics/create-a-blog-post.md

docusaurus-site/docs/tutorial-basics/create-a-document.md

docusaurus-site/docs/tutorial-basics/create-a-page.md

docusaurus-site/docs/tutorial-basics/deploy-your-site.md

docusaurus-site/docs/tutorial-basics/markdown-features.mdx

docusaurus-site/docs/tutorial-extras/_category_.json

docusaurus-site/docs/tutorial-extras/manage-docs-versions.md

docusaurus-site/docs/tutorial-extras/translate-your-site.md