MM-47936: Removes CustomGroups feature flag. (#21739)

* MM-47936: Removes CustomGroups feature flag.

* MM-47936: Updates godoc.

api4/group.go

@@ -980,7 +980,7 @@ func getGroups(c *Context, w http.ResponseWriter, r *http.Request) {
 	}
 
 	// If they don't specify a source and custom groups are disabled, ensure they only get ldap groups in the response
-	if !c.App.Config().FeatureFlags.CustomGroups || !*c.App.Config().ServiceSettings.EnableCustomGroups {
+	if !*c.App.Config().ServiceSettings.EnableCustomGroups {
 		source = model.GroupSourceLdap
 	}
 
@@ -1328,8 +1328,6 @@ func deleteGroupMembers(c *Context, w http.ResponseWriter, r *http.Request) {
 //
 //	err := licensedAndConfiguredForGroupBySource(c.App, group.Source)
 //	err.Where = "Api4.getGroup"
-//
-// Temporarily, this function also checks for the CustomGroups feature flag.
 func licensedAndConfiguredForGroupBySource(app app.AppIface, source model.GroupSource) *model.AppError {
 	lic := app.Srv().License()
 
@@ -1345,7 +1343,7 @@ func licensedAndConfiguredForGroupBySource(app app.AppIface, source model.GroupS
 		return model.NewAppError("", "api.custom_groups.license_error", nil, "", http.StatusBadRequest)
 	}
 
-	if source == model.GroupSourceCustom && (!app.Config().FeatureFlags.CustomGroups || !*app.Config().ServiceSettings.EnableCustomGroups) {
+	if source == model.GroupSourceCustom && !*app.Config().ServiceSettings.EnableCustomGroups {
 		return model.NewAppError("", "api.custom_groups.feature_disabled", nil, "", http.StatusBadRequest)
 	}
 

config/client_test.go

@@ -216,11 +216,7 @@ func TestGetClientConfig(t *testing.T) {
 		},
 		{
 			"Custom groups professional license",
-			&model.Config{
-				FeatureFlags: &model.FeatureFlags{
-					CustomGroups: true,
-				},
-			},
+			&model.Config{},
 			"",
 			&model.License{
 				Features:     &model.Features{},
@@ -232,11 +228,7 @@ func TestGetClientConfig(t *testing.T) {
 		},
 		{
 			"Custom groups enterprise license",
-			&model.Config{
-				FeatureFlags: &model.FeatureFlags{
-					CustomGroups: true,
-				},
-			},
+			&model.Config{},
 			"",
 			&model.License{
 				Features:     &model.Features{},

model/feature_flags.go

@@ -39,8 +39,6 @@ type FeatureFlags struct {
 	// A dash separated list for feature flags to turn on for Boards
 	BoardsFeatureFlags string
 
-	CustomGroups bool
-
 	// Enable DataRetention for Boards
 	BoardsDataRetention bool
 
@@ -90,7 +88,6 @@ func (f *FeatureFlags) SetDefaults() {
 	f.PluginFocalboard = ""
 	f.PermalinkPreviews = true
 	f.BoardsFeatureFlags = ""
-	f.CustomGroups = true
 	f.BoardsDataRetention = false
 	f.NormalizeLdapDNs = false
 	f.EnableInactivityCheckJob = true