sorting by date-and-time in activities view

Also removed date format thing from hook_update_n as not needed

config/install/views.view.activities.yml

@@ -384,7 +384,21 @@ display:
           entity_type: oc_activity
           plugin_id: entity_link
       filters: {  }
-      sorts: {  }
+      sorts:
+        activity_date_time:
+          id: activity_date_time
+          table: oc_activity_field_data
+          field: activity_date_time
+          relationship: none
+          group_type: group
+          admin_label: ''
+          order: DESC
+          exposed: false
+          expose:
+            label: ''
+          entity_type: oc_activity
+          entity_field: activity_date_time
+          plugin_id: standard
       title: 'Activity List'
       header: {  }
       footer: {  }

modules/opencase_entities/opencase_entities.install

@@ -1,23 +1,5 @@
 <?php
 
-// Change date formats on created and changed dates.
-function opencase_entities_update_801910() {
-  $update_manager = \Drupal::entityDefinitionUpdateManager();
-  $field = $update_manager->getFieldStorageDefinition('created', 'oc_case');
-  $properties = array(
-    'targetEntityType' => $field->getTargetEntityTypeId(),
-    'bundle' => $field->getTargetBundle()
-  );
-  if ($view_displays = \Drupal::entityTypeManager()->getStorage('entity_view_display')->loadByProperties($properties)) {
-    foreach ($view_displays as $view_display) {
-      $view_display->setComponent('created', array(
-        'type' => 'datetime_default',
-        'settings' => ['format_type' => 'short'],
-      ) + $component)->save();
-    }
-  }
-}
-
 // Make contact details revisionable.
 function opencase_entities_update_80191() {
   $update_manager = \Drupal::entityDefinitionUpdateManager();
@@ -30,9 +12,6 @@ function opencase_entities_update_80191() {
 
 use \Drupal\Core\Entity\Sql\SqlContentEntityStorageSchemaConverter;
 
-/**
- * Update my_entity to be revisionable.
- */
 function opencase_entities_update_8019(&$sandbox) {
   $schema_converter = new SqlContentEntityStorageSchemaConverter(
     'oc_actor',