fix build errors

Author: svdimitr

examples/ecommerce-jewellery-store/src/components/Header.tsx

@@ -1,6 +1,6 @@
 import React from "react";
 import { useNavigate } from "react-router-dom";
-import { Menu, AppBarSpacer, MenuSelectEvent } from "@progress/kendo-react-layout";
+import { Menu, MenuSelectEvent } from "@progress/kendo-react-layout";
 import { Button } from "@progress/kendo-react-buttons";
 import { SvgIcon } from "@progress/kendo-react-common";
 import { InputPrefix, InputSeparator, TextBox, Switch } from "@progress/kendo-react-inputs";

examples/ecommerce-jewellery-store/src/pages/Contacts.tsx

@@ -1,16 +1,12 @@
 import React from 'react';
 import { Layout } from '../components/Layout';
-import CardNumber from '../components/CardNumber';
-import ExpiryDate from '../components/ExpiryDate';
-import PasswordInput from '../components/PasswordInput';
 import EmailInput from '../components/EmailInput';
 import CardHolder from '../components/CardHolder';
 import CityInput from '../components/CityInput';
 import PhoneInput from '../components/PhoneInput';
 import AppointmentInput from '../components/AppointmentInput';
 import DateChooserInput from '../components/DateChooserInput';
 import ContactsRadioButtons from '../components/ContactsRadioButtons'
-import { BackgroundImage } from '../components/BackgroundImage';
 import contactsImage from '@/assets/contactsImage.png';
 import { Button } from '@progress/kendo-react-buttons';
 import { useNavigate } from 'react-router-dom';
@@ -21,11 +17,8 @@ import {
   FormElement,
   FieldWrapper,
 } from '@progress/kendo-react-form';
-import { RadioButton } from '@progress/kendo-react-inputs';
 import { Label } from '@progress/kendo-react-labels';
 
-import creditCards from '../assets/creditCards.png';
-
 const Contacts: React.FC = () => {
   const navigate = useNavigate();