Hide operator if not populated.

paddling_hazards.yaml

@@ -25,8 +25,10 @@ feature:
       <dt>{{ keyTrans('Description') }}</dt>
       <dd>{{ localizedTag(tags, 'description') }}</dd>
       
-      <dt>{{ keyTrans('Operator') }}</dt>
-      <dd>{{ attribute(tags, 'operator') ? tagTrans('operator', attribute(tags, 'operator')) : '' }}</dd>
+      {% if attribute(tags, 'operator') %}
+        <dt>{{ keyTrans('Operator') }}</dt>
+        <dd>{{ attribute(tags, 'operator') ? tagTrans('operator', attribute(tags, 'operator')) : '' }}</dd>
+      {% endif %}
 
     </dl>
     {% if attribute(tags, 'mapillary') %}