Author: Stevani Andolo
MDL-72350 core: Added environment check for mod_assignment
Decided to add an environment check before uninstalling the
mod_assignment plugin to prevent data lost.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=26d78531e7e7ed9b18927422a5aacf5be2995b0c
http://github.com/moodle/moodle/commit/26d78531e7e7ed9b18927422a5aacf5be2995b0c
+ 4.2 en [modassignmentinuse,core_admin]