first commit

core/modules/field/field.post_update.php

@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * @file
+ * Post update functions for Field module.
+ */
+
+/**
+ * Implements hook_removed_post_updates().
+ */
+function field_removed_post_updates() {
+  return [
+    'field_post_update_save_custom_storage_property' => '9.0.0',
+    'field_post_update_entity_reference_handler_setting' => '9.0.0',
+    'field_post_update_email_widget_size_setting' => '9.0.0',
+    'field_post_update_remove_handler_submit_setting' => '9.0.0',
+  ];
+}