fix(#240): remove weekly pulse badge from ReadyColumn

The weekly count in Lesefertig counted any document with a reviewed
block in the past 7 days, not documents that crossed the ≥90% ready
threshold — a misleading stat given the column shows a different set.

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

frontend/src/lib/components/MissionControlStrip.svelte

@@ -28,6 +28,6 @@ let { segmentationDocs, transcriptionDocs, readyDocs, weeklyStats }: Props = $pr
 			docs={transcriptionDocs}
 			weeklyCount={weeklyStats?.transcriptionCount ?? 0}
 		/>
-		<ReadyColumn docs={readyDocs} weeklyCount={weeklyStats?.readyCount ?? 0} />
+		<ReadyColumn docs={readyDocs} />
 	</div>
 </section>