function system_update_8701 in Drupal 8

Remove the unused 'system.theme.data' from state.

File

core/modules/system/system.install, line 2592

Install, update and uninstall functions for the system module.

Code

function system_update_8701() {

  // The system.theme.data key is no longer used in Drupal 8.7.x.
  \Drupal::state()
    ->delete('system.theme.data');
}