refactor(tui): remove onboarding hint residue (#39947)

Co-authored-by: Kit Langton <kit.langton@gmail.com>

packages/tui/src/component/dialog-config.tsx

@@ -43,15 +43,6 @@ export const settings: Setting[] = [
     labels: ["off", "on"],
     keywords: ["motion", "effects"],
   },
-  {
-    title: "Onboarding",
-    category: "Appearance",
-    path: ["hints", "onboarding"],
-    default: true,
-    values: [false, true],
-    labels: ["off", "on"],
-    keywords: ["hints", "getting started", "guidance"],
-  },
   {
     title: "Sidebar",
     category: "Session",

packages/tui/src/config/index.tsx

@@ -162,11 +162,6 @@ export const Info = Schema.Struct({
       }),
     }),
   ).annotate({ description: "Mini transcript presentation settings" }),
-  hints: Schema.optional(
-    Schema.Struct({
-      onboarding: Schema.optional(Schema.Boolean).annotate({ description: "Show getting-started guidance" }),
-    }),
-  ).annotate({ description: "In-product guidance settings" }),
   debug: Schema.optional(
     Schema.Struct({
       devtools: Schema.optional(Schema.Boolean).annotate({ description: "Show the DevTools debug bar" }),