style: hide zone IP addresses

app/static/app.js

@@ -31,7 +31,7 @@ function render() {
   const root = $('#zones'); root.replaceChildren();
   for (const zone of zones) {
     const card = el('article', 'zone'), head = el('div', 'zone-head'), names = el('div');
-    names.append(el('h2', null, zone.name), el('small', 'muted', zone.ip));
+    names.append(el('h2', null, zone.name));
     head.append(names, el('span', 'state', stateName(zone.state)));
     const track = el('p', 'track', zone.error || (zone.track.title ? `${zone.track.title}${zone.track.artist ? ' · ' + zone.track.artist : ''}` : 'Kein aktueller Titel'));
     const controls = el('div', 'controls');