Author: David Woloszyn
MDL-77145 enrol: Removed course shortname from unenrolme string
http://git.moodle.org/gw?p=moodle.git;a=commit;h=694b3ef87808efb6f9916b10321495eb4999f644
http://github.com/moodle/moodle/commit/694b3ef87808efb6f9916b10321495eb4999f644
+ 4.2 en [unenrolme,core_enrol]