fix: clean up imports and improve text formatting

- Removed unused `DeadlineMetrics` import from `deadline-analytics.ts`.
- Updated text in `DeadlineReminder` component to use HTML entity for apostrophe, enhancing rendering consistency.

src/actions/deadline-analytics.ts

@@ -1,6 +1,6 @@
 'use server';
 
-import { DeadlineAnalyticsService, DeadlineMetrics } from '@/services/analytics/deadline-analytics';
+import { DeadlineAnalyticsService } from '@/services/analytics/deadline-analytics';
 
 export async function getDeadlineMetrics() {
   try {