[Discussion] Remove ObjItem gradient
Summary: Just wanted to play with this, removes the gradient 'cards' for a flat design.
Test Plan:
Tested various apps, workboards
{F166127}
Reviewers: btrahan, epriestley
Reviewed By: epriestley
Subscribers: hach-que, epriestley, Korvin
Differential Revision: https://secure.phabricator.com/D9515