Plugins: Remove externalCorePlugins feature toggle (#108386)

remove externalCorePlugins feature toggle

pkg/services/pluginsintegration/pipeline/steps.go

@@ -223,10 +223,6 @@ func NewAsExternalStep(cfg *config.PluginManagementCfg) *AsExternal {
 
 // Filter will filter out any plugins that are marked to be disabled.
 func (c *AsExternal) Filter(cl plugins.Class, bundles []*plugins.FoundBundle) ([]*plugins.FoundBundle, error) {
-	if !c.cfg.Features.ExternalCorePluginsEnabled {
-		return bundles, nil
-	}
-
 	if cl == plugins.ClassCore {
 		res := []*plugins.FoundBundle{}
 		for _, bundle := range bundles {

pkg/services/pluginsintegration/pipeline/steps_test.go

@@ -68,9 +68,6 @@ func TestAsExternal(t *testing.T) {
 
 	t.Run("should skip a core plugin", func(t *testing.T) {
 		cfg := &config.PluginManagementCfg{
-			Features: config.Features{
-				ExternalCorePluginsEnabled: true,
-			},
 			PluginSettings: setting.PluginSettings{
 				"plugin1": map[string]string{
 					"as_external": "true",