remove contentUpdated listener

Author: smellman

app/helpers/gtt_map_helper.rb

@@ -65,17 +65,10 @@ def map_tag(map: nil, layers: map&.layers,
           observer.observe(document.body, config);
         }
         if (!#{show}) {
-          document.addEventListener('contentUpdated', function(){
-            var target = document.getElementById('#{uid}');
-            target.classList.add('map-editable');
-            window.createGttClient(target);
-            contentObserver();
-          }, { once: true });
           var target = document.getElementById('#{uid}');
           if (
             document.readyState === 'complete'
             && !target.hasChildNodes()
-            && document.getElementsByClassName('map-editable').length === 1
           ) {
             window.createGttClient(target);
           }