Author: Stevani Andolo
MDL-78428 tiny_media: Implemented a delete embed preview
http://git.moodle.org/gw?p=moodle.git;a=commit;h=9853729199aedf9b682e3222cfd6015449da59ce
http://github.com/moodle/moodle/commit/9853729199aedf9b682e3222cfd6015449da59ce
+ 5.0 en [deletemedia,tiny_media]
+ 5.0 en [deletemediawarning,tiny_media]