Git commits in Moodle 3.8.x by David Castro

commit 39260e3eadc71613320d80b99c3d4352b9994e48
Author: David Castro <davidcastro00@gmail.com>
Date:   Wed, 10 Jul 2019 22:50:11 +0800
Tag:    v3.8.0-beta

MDL-66115 qtype_ddimageortext: Fixing choice deletion.