Author: Luca Bösch
MDL-60119 mod_feedback: Suppress choice weight in parentheses.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=efdf25636a88659bb2fec4f7dc23c6d83091551a
http://github.com/moodle/moodle/commit/efdf25636a88659bb2fec4f7dc23c6d83091551a
+ 3.5 en [multichoiceoption,mod_feedback]