feat(frontend): remove document status pills

Status badges (UPLOADED, PLACEHOLDER, etc.) provided no real value
to users and have been removed from the document list and document
detail header.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/routes/documents/[id]/+page.svelte

@@ -347,14 +347,6 @@ function versionLabel(v: VersionSummary, index: number): string {
 				<h1 class="truncate font-serif text-xl text-brand-navy" title={doc.title}>
 					{doc.title || doc.originalFilename}
 				</h1>
-				<span
-					class="flex-shrink-0 rounded-full px-3 py-1 font-sans text-xs font-bold tracking-wide uppercase
-                    {doc.status === 'UPLOADED'
-						? 'border border-brand-mint bg-brand-mint/30 text-brand-navy'
-						: 'border border-yellow-200 bg-yellow-100 text-yellow-800'}"
-				>
-					{doc.status}
-				</span>
 			</div>
 		</div>