Author: Huong Nguyen
MDL-81333 core_communication: Coding style fixups
- Remove superflous coverage information
- Use language string for group room name format
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e168c1d089e76388f3797317e1683ad442144767
http://github.com/moodle/moodle/commit/e168c1d089e76388f3797317e1683ad442144767
+ 4.4 en [communicationgrouproomnameformat,core_communication]