Remove Voice settings page and voice references

ui/src/components/sections/openchamber/NotificationSettings.tsx

@@ -759,7 +759,7 @@ export const NotificationSettings: React.FC = () => {
                           <RiInformationLine className="h-3.5 w-3.5 text-muted-foreground/60 cursor-help" />
                         </TooltipTrigger>
                         <TooltipContent sideOffset={8} className="max-w-xs">
-                          Used for notification and voice summaries.
+                          Used for notification summaries.
                         </TooltipContent>
                       </Tooltip>
                     </div>

ui/src/lib/settings/metadata.ts

@@ -168,7 +168,6 @@ export const SETTINGS_PAGE_METADATA: readonly SettingsPageMeta[] = [
   },
 
   { slug: 'notifications', title: 'Notifications', group: 'general', kind: 'single', keywords: ['alerts', 'native', 'summary', 'summarization'], },
-  { slug: 'voice', title: 'Voice', group: 'advanced', kind: 'single', keywords: ['tts', 'speech', 'voice'], isAvailable: (ctx) => !ctx.isVSCode },
 ] as const;
 
 export const LEGACY_SIDEBAR_SECTION_TO_SETTINGS_SLUG: Record<SidebarSection, SettingsPageSlug> = {