Delete internal/multiagent directory

internal/multiagent/adk_init.go

@@ -1,16 +0,0 @@
-package multiagent
-
-import (
-	"fmt"
-
-	"github.com/cloudwego/eino/adk"
-)
-
-// InitADK configures global Eino ADK settings. Call once at process startup before
-// any ADK middleware or agents are created.
-func InitADK() error {
-	if err := adk.SetLanguage(adk.LanguageChinese); err != nil {
-		return fmt.Errorf("adk set language: %w", err)
-	}
-	return nil
-}