Author: John Okely
MDL-49983 lang: Remove language strings that were added in 2.9
http://git.moodle.org/gw?p=moodle.git;a=commit;h=ad13aff7c494db46a1b402b2b159da12c2184f79
http://github.com/moodle/moodle/commit/ad13aff7c494db46a1b402b2b159da12c2184f79
- 2.9 en [managemybadges,core_badges]
- 2.9 en [myprofilemyblogs,core_blog]
- 2.9 en [mygrades,core_grades]
- 2.9 en [mypreferences,core]