Cleanup drush files
Some files are no longer relevant or missing in the gitignore list:
- drush/drush.yml
- drush/cache/
- drush/aliases....php => no longer needed
Some files are no longer relevant or missing in the gitignore list:
mentioned in commit c7f4b1c6
mentioned in commit a2d41347
mentioned in commit composer/project/drupal-8@9d658a90
closed
changed the description