refactor(demo-data): simplify demo data seed documentation

- Removed detailed descriptions of demo data contents from the migration documentation to streamline the information presented.
- Updated the demo data seed migration to maintain clarity while focusing on essential details for first-time users.

Author: tyler-dane

packages/web/src/common/storage/migrations/external/demo-data-seed.ts

@@ -179,15 +179,8 @@ function generateDemoData() {
  * This migration checks if the user has any existing events or tasks.
  * If storage is empty (first-time user), it populates the app with
  * sample data so they can immediately explore functionality.
- *
- * Demo data includes:
- * - 4 timed today events with different priorities (work, self, relationships, unassigned)
- * - 1 all-day today event
- * - 2 someday events (week and month)
- * - 5 today tasks
- * - 3 completed yesterday tasks
- * - 1 tomorrow task
  */
+
 export const demoDataSeedMigration: ExternalMigration = {
   id: "demo-data-seed-v1",
   description: "Seed demo data for first-time users",

packages/web/src/views/Day/components/ContextMenu/TaskContextMenu.test.tsx

@@ -42,7 +42,7 @@ describe("TaskContextMenu", () => {
     await waitFor(async () => {
       expect(await screen.findByText("Delete Task")).toBeInTheDocument();
     });
-  }, 10000);
+  });
 
   it("should show Delete Task menu item when menu is open", async () => {
     const user = userEvent.setup();

packages/web/src/views/Day/view/DayViewContent.test.tsx

@@ -177,7 +177,7 @@ describe("TodayViewContent", () => {
 
     // Assert task is removed from DOM
     expect(taskCheckbox).not.toBeInTheDocument();
-  }, 10000);
+  });
 
   it("should NOT delete task when Delete key is pressed on input field", async () => {
     const { user } = renderWithDayProviders(<DayViewContent />);