Git commits in Moodle 3.9.x by kritisingh1

commit 02c350947f14267dc4456f41b201b714144f91b0
Author: kritisingh1 <kritisingh1.ks@gmail.com>
Date:   Wed, 11 Mar 2020 19:58:54 +0800
Tag:    v3.9.0-beta

MDL-68081 Groups: Fixes string error in member removal function