Git commits in Moodle 3.7.3 by cescobedo

commit ffc5dc3245973aefe139b729472a094de1e215d9
Author: cescobedo <carlos.escobedo@gmail.com>
Date:   Thu, 07 Nov 2019 17:17:28 +0800
Tag:    v3.7.3

MDL-66683 core: Revert MDL-66181 because created regressions


commit b7ee5cb2ea7d10a636eadd78c367b6ad63b04794
Author: cescobedo <carlos.escobedo@gmail.com>
Date:   Wed, 06 Nov 2019 20:37:09 +0800
Tag:    v3.7.3

MDL-66257 tool_cohortroles: Unassign the role on removal cohortroles.