Fix: eslint errors

src/components/Header.tsx

@@ -1,15 +1,6 @@
-import {
+import { AppBar, Toolbar, Container, Typography } from '@mui/material';
-  AppBar,
+import { useContext } from 'react';
-  Toolbar,
+import { Link } from 'react-router-dom';
-  Stepper,
-  Step,
-  Box,
-  Container,
-  StepButton,
-  Typography,
-} from '@mui/material';
-import { useContext, useEffect, useState } from 'react';
-import { Link, useLocation, useNavigate } from 'react-router-dom';
 
 import '../css/Header.css';
 import { Context } from '../data/Context';

src/utils/PageTemplate.tsx

@@ -1,6 +1,5 @@
 import Container from '@mui/material/Container';
 import LocalizationProviderWrapper from './LocalizationProviderWrapper';
-import ContextWrapper from './ContextWrapper';
 
 /**
  * Wrapps the page with all necessary utils