Author: Shamim Rezaie
MDL-71163 mod_choice: remove duplicate info for timeopen and timeclose
http://git.moodle.org/gw?p=moodle.git;a=commit;h=c49d99d1a5e3462e214888d11e88e944d6c56cf6
http://github.com/moodle/moodle/commit/c49d99d1a5e3462e214888d11e88e944d6c56cf6
+ 3.11 en [previewing,mod_choice]