Author: Paul Holden
MDL-79398 tool_mfa: remove unused enabled configuration help string.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=f96caa3ee0948bd46f352e34218b3796ab9b21c2
http://github.com/moodle/moodle/commit/f96caa3ee0948bd46f352e34218b3796ab9b21c2
- 4.3 en [settings:enabled_help,tool_mfa]