CTP-3753 remove unused vars#8

aspark21 merged 1 commit intomainucl-isd/moodle-mod_coursework:mainfrom

CTP-3753-Coursework-undefined-variables-sortby-shorthow-page-in-renderers-object_renderer.phpucl-isd/moodle-mod_coursework:CTP-3753-Coursework-undefined-variables-sortby-shorthow-page-in-renderers-object_renderer.phpCopy head branch name to clipboard