chore: hidden blog (#998)

Author: Chasen-Zhang

docusaurus.config.ts

@@ -93,13 +93,7 @@ const config: Config = {
             return `https://github.com/datafuselabs/databend-docs/tree/main/docs/${site}/guides/${docPath}`;
           },
         },
-        blog: {
-          showReadingTime: true,
-          // Please change this to your repo.
-          // Remove this to remove the "edit this page" links.
-          editUrl:
-            'https://github.com/facebook/docusaurus/tree/main/packages/create-docusaurus/templates/shared/',
-        },
+        blog: false,
         theme: {
           customCss: './src/css/custom.scss',
         },