Author: Marina Glancy
MDL-50303 cache: removed unused cache definition
http://git.moodle.org/gw?p=moodle.git;a=commit;h=a03941838391a59e0bfba31124edee8495a5d05c
http://github.com/moodle/moodle/commit/a03941838391a59e0bfba31124edee8495a5d05c
- 3.0 en [cachedef_gradecondition,core_cache]