582c02afc4
The sysadmin dashboard feature is converted into a plugable app named edx-sysadmin (https://github.com/mitodl/edx-sysadmin) according to the decisison made at https://github.com/edx/edx-platform/blob/master/lms/djangoapps/dashboard/decisions/0002-deprecate-sysadmin-dashboard-adr.rst. Instances using sysadmin dashboard should use the new plugin from now onwards. BREAKING CHANGE: sysadmin dashboard is removed