Author: Dan Poltawski
MDL-43481 lib: minor cleanups to commands
And remove unused strings - thanks to Simon Coggins!
http://git.moodle.org/gw?p=moodle.git;a=commit;h=25294dd46603f295eaedfa67d13902b310b4170b
http://github.com/moodle/moodle/commit/25294dd46603f295eaedfa67d13902b310b4170b
- 2.7 en [upgrade197salt,core_admin]