Author: Serge Gauthier
MDL-52860 tool_lp: Add confirmation dialogue when removing a competency
http://git.moodle.org/gw?p=moodle.git;a=commit;h=7deba3c0a179425abb9a9852e2a5cb9f8c5048e5
http://github.com/moodle/moodle/commit/7deba3c0a179425abb9a9852e2a5cb9f8c5048e5
+ 3.1 en [unlinkcompetencycourse,tool_lp]
+ 3.1 en [unlinkcompetencyplan,tool_lp]
+ 3.1 en [unlinkcompetencytemplate,tool_lp]