Fix module import errors

Fixes import errors in deleteTransaction.ts and deleteTransactionCore.ts by correcting the module paths.

src/pages/Transactions.tsx

@@ -1,3 +1,4 @@
+
 import React, { useEffect, useState, useRef, useCallback } from 'react';
 import NavBar from '@/components/NavBar';
 import AddTransactionButton from '@/components/AddTransactionButton';