Author: Dan Poltawski
MDL-26611 Roles Language - remove reference to 'legacy role type'
http://git.moodle.org/gw?p=moodle.git;a=commit;h=c01d7b4d794a641d94ba7cf00d35988559a49130
http://github.com/moodle/moodle/commit/c01d7b4d794a641d94ba7cf00d35988559a49130
+ 2.1 en [highlightedcellsshowdefault,core_role]