Remove pause button from header (Sub-Task 3)

- Removed pause button from TimeDisplay component
- Removed pause-related props (paused, onTogglePause) from TimeDisplay
- Cleaned up unused imports (Play, Pause from lucide-react, Button)
- Updated page.tsx to pass insight prop instead of pause props
- Header now shows: game title, day/hour, and insight display

docs/task3/subtask_3_progress.md

@@ -1,9 +1,9 @@
 # Sub-Task 3 Progress: Header Pause Button Removal
 
-## Status: Pending
+## Status: In Progress
 
 ## Completed Steps
-- [ ] Locate pause button in Header component
+- [x] Locate pause button in Header component
 - [ ] Remove pause button and related code
 - [ ] Clean up unused imports/handlers
 - [ ] Verify header layout is intact