Author: Marina Glancy
MDL-40838 backup: restore enrolment methods without users
http://git.moodle.org/gw?p=moodle.git;a=commit;h=92253b15b7a922e2054e4356fa909ef1a078cba1
http://github.com/moodle/moodle/commit/92253b15b7a922e2054e4356fa909ef1a078cba1
+ 3.3 en [rootsettingenrolments,core_backup]
+ 3.3 en [rootsettingenrolments_always,core_backup]
+ 3.3 en [rootsettingenrolments_never,core_backup]
+ 3.3 en [rootsettingenrolments_withusers,core_backup]