remove: ctrl+p suppress handler — Ctrl+K already covers search

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

src/app/pages/client/ClientNonUIFeatures.tsx

@@ -265,21 +265,9 @@ type ClientNonUIFeaturesProps = {
   children: ReactNode;
 };
 
-function SuppressPrintShortcut() {
-  useEffect(() => {
-    const handler = (e: KeyboardEvent) => {
-      if ((e.ctrlKey || e.metaKey) && e.code === 'KeyP') e.preventDefault();
-    };
-    window.addEventListener('keydown', handler);
-    return () => window.removeEventListener('keydown', handler);
-  }, []);
-  return null;
-}
-
 export function ClientNonUIFeatures({ children }: ClientNonUIFeaturesProps) {
   return (
     <>
-      <SuppressPrintShortcut />
       <SystemEmojiFeature />
       <PageZoomFeature />
       <FaviconUpdater />