Modify access rules

project.config

diff --git a/project.config b/project.config
index 3bba185..9fc1cca 100644
--- a/project.config
+++ b/project.config
@@ -40,6 +40,7 @@
 	editTopicName = +force group Project Owners
 	editTopicName = +force group mdb/gmscore-size
 	editTopicName = group mdb/r8-team
+	delete = group mdb/gmscore-size
 [access "refs/meta/config"]o
 	exclusiveGroupPermissions = read
 	read = group Project Owners