fix: Remove enforce auto end dialog for skill bots

runtime/dotnet/core/ComposerBot.cs

@@ -47,12 +47,6 @@ public ComposerBot(ConversationState conversationState, UserState userState, Res
 
         public override async Task OnTurnAsync(ITurnContext turnContext, CancellationToken cancellationToken = default(CancellationToken))
         {
-            AdaptiveDialog rootDialog = (AdaptiveDialog)this.dialogManager.RootDialog;
-            if (turnContext.TurnState.Get<IIdentity>(BotAdapter.BotIdentityKey) is ClaimsIdentity claimIdentity && SkillValidation.IsSkillClaim(claimIdentity.Claims))
-            {
-                rootDialog.AutoEndDialog = true;
-            }
-
             if (this.removeRecipientMention && turnContext?.Activity?.Type == "message")
             {
                 turnContext.Activity.RemoveRecipientMention();