Author: Jun Pataleta
MDL-81780 tool_task: Minor ad-hoc tasks renderer refinements
* Ensure new strings are added alphabetically
* Fix rendering of delete button's aria-label
* Remove unused `deletetask` lang string
http://git.moodle.org/gw?p=moodle.git;a=commit;h=3000896f206cefd9e6d4a2f96198929aeea321a0
http://github.com/moodle/moodle/commit/3000896f206cefd9e6d4a2f96198929aeea321a0
+ 5.0 en [deleteadhoctask,tool_task]
- 5.0 en [deletetask,tool_task]