fix(app): remove more dead settings shell code (#1350)

* fix(app): remove more dead settings shell code

* fix(app): prune more dead helpers and props

Author: benjaminshafii

apps/app/src/app/app.tsx

@@ -2069,7 +2069,6 @@ export default function App() {
   const settingsTabs = new Set<SettingsTab>([
     "general",
     "den",
-    "model",
     "automations",
     "skills",
     "extensions",

apps/app/src/app/components/question-modal.tsx

@@ -10,7 +10,6 @@ export type QuestionModalProps = {
     open: boolean;
     questions: QuestionInfo[];
     busy: boolean;
-    onClose: () => void;
     onReply: (answers: string[][]) => void;
 };
 

apps/app/src/app/components/session/inbox-panel.tsx

@@ -12,9 +12,6 @@ type StatusBarProps = {
   settingsOpen: boolean;
   onSendFeedback: () => void;
   onOpenSettings: () => void;
-  onOpenMessaging: () => void;
-  onOpenProviders: () => Promise<void> | void;
-  onOpenMcp: () => void;
   providerConnectedIds: string[];
   statusLabel?: string;
   statusDetail?: string;