docs(ui): simplify Header main example by removing metadata

Signed-off-by: Charles de Dreuille <charles.dedreuille@gmail.com>
Made-with: Cursor

docs-ui/src/app/components/header/components.tsx

@@ -47,7 +47,6 @@ export const WithEverything = () => (
       title="Page Title"
       tags={tags}
       description="A short description of this page. Supports [inline links](https://backstage.io) and **bold text**."
-      metadata={metadata}
       tabs={tabs.slice(0, 2)}
       breadcrumbs={breadcrumbs.slice(0, 2)}
       customActions={

docs-ui/src/app/components/header/snippets.ts

@@ -10,11 +10,6 @@ export const defaultSnippet = `<Header
     { label: 'Gold' },
   ]}
   description="A short description. Supports [inline links](https://backstage.io) and **bold text**."
-  metadata={[
-    { label: 'Owner', value: 'platform-team' },
-    { label: 'Type', value: 'website' },
-    { label: 'Tier', value: 'gold' },
-  ]}
   tabs={[
     { id: 'overview', label: 'Overview', href: '/overview' },
     { id: 'settings', label: 'Settings', href: '/settings' },