Author: ferran
MDL-84291 course: remove max sections UI elements
http://git.moodle.org/gw?p=moodle.git;a=commit;h=4d9e0aa137ab29a94fd03d3f6e77560f5640d0a5
http://github.com/moodle/moodle/commit/4d9e0aa137ab29a94fd03d3f6e77560f5640d0a5
+ 5.1 en [maxnumberweeks,core]
+ 5.1 en [maxnumberweeks_desc,core]