element-form: address not required, only lat and long

templates/element-form/form-partials/address.html.twig

@@ -2,7 +2,7 @@
 <div class="input-field col s12" id="input-address-field">
   <i class="material-icons gogo-icon-marker-symbol prefix"></i>
   {{ form_widget(form.fullAddress, {'id': 'input-address', 'value': element.getFormatedAddress(),
-                  'attr': {'class': 'validate required'  }}) }}
+                  'attr': {'class': 'validate'  }}) }}
   <label for="input-address" class="gogo-form-label to-html">{{ field.label|raw }}</label>
   <div class="btn-geolocalize btn btn-secondary waves-effect waves-light">Localiser</div>
   {% if config.elementFormGeocodingHelp %}