Migrate "User.GetSystemAdminProfiles" to Sync by default (#11491)

app/security_update_check.go

@@ -94,12 +94,11 @@ func (s *Server) DoSecurityUpdateCheck() {
 		for _, bulletin := range bulletins {
 			if bulletin.AppliesToVersion == model.CurrentVersion {
 				if props["SecurityBulletin_"+bulletin.Id] == "" {
-					results := <-s.Store.User().GetSystemAdminProfiles()
-					if results.Err != nil {
+					users, userErr := s.Store.User().GetSystemAdminProfiles()
+					if userErr != nil {
 						mlog.Error("Failed to get system admins for security update information from Mattermost.")
 						return
 					}
-					users := results.Data.(map[string]*model.User)
 
 					resBody, err := http.Get(SECURITY_URL + "/bulletins/" + bulletin.Id)
 					if err != nil {