Remove unused imports and variables

Author: JohanCodeForFun

app/dashboard/(overview)/page.tsx

@@ -1,13 +1,10 @@
-import { Card } from '../../ui/dashboard/cards';
 import RevenueChart from '../../ui/dashboard/revenue-chart';
 import LatestInvoices from '../../ui/dashboard/latest-invoices';
 import { lusitana } from '../../ui/fonts';
 import { Suspense } from 'react';
 import CardWrapper from '../../ui/dashboard/cards';
 import {
-  InvoiceSkeleton,
   RevenueChartSkeleton,
-  CardSkeleton,
   InvoicesSkeleton,
   CardsSkeleton,
 } from '@/app/ui/skeletons';

app/ui/dashboard/revenue-chart.tsx

@@ -1,7 +1,6 @@
 import { generateYAxis } from '@/app/lib/utils';
 import { CalendarIcon } from '@heroicons/react/24/outline';
 import { lusitana } from '@/app/ui/fonts';
-import { Revenue } from '@/app/lib/definitions';
 import { fetchRevenue } from '@/app/lib/data';
 
 // This component is representational only.