Fix Settings view rendering duplicate layout

Remove nested AppLayout wrapper from SettingsView — the layout is
already applied at the App.vue level around router-view.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/views/settings/SettingsView.vue

@@ -1,5 +1,5 @@
 <template>
-  <AppLayout>
+  <div>
     <v-tabs v-model="activeTab" color="primary">
       <v-tab value="profile">Profile</v-tab>
       <v-tab value="connections">Bank Connections</v-tab>
@@ -297,12 +297,11 @@
         </v-card>
       </v-tabs-window-item>
     </v-tabs-window>
-  </AppLayout>
+  </div>
 </template>
 
 <script setup lang="ts">
 import { ref, reactive, computed, onMounted } from 'vue'
-import AppLayout from '@/components/layout/AppLayout.vue'
 import { useAuthStore } from '@/stores/auth'
 import { bankSyncApi } from '@/services/bankSync'
 import { accountsApi } from '@/services/accounts'