only in patch2:
unchanged:
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -1647,3 +1647,23 @@ function system_update_8014() {
 /**
  * @} End of "addtogroup updates-8.0.0-rc".
  */
+
+/**
+ * @addtogroup updates-8.2.x
+ * @{
+ */
+
+/**
+ * Remove response.gzip from system module config.
+ */
+function system_update_8015() {
+  $config_factory = \Drupal::configFactory();
+  $system_performance_config = $config_factory->getEditable('system.performance');
+  $system_performance_config
+    ->clear('response.gzip')
+    ->save(TRUE);
+}
+
+/**
+ * @} End of "addtogroup updates-8.2.x.
+ */