Author: Dan Poltawski
MDL-26611 Roles Language - remove reference to 'legacy role type'
http://git.moodle.org/gw?p=moodle.git;a=commit;h=c24ad72ba044a8f1be1cfc52938dabf6f68e1f63
http://github.com/moodle/moodle/commit/c24ad72ba044a8f1be1cfc52938dabf6f68e1f63
+ 2.0 en [highlightedcellsshowdefault,core_role]