chore: remove jest -> cypress for unit tests

pages/404.tsx

@@ -16,7 +16,7 @@ const Error404: NextPage<Error404Props> = (props) => {
     <>
       <Head title='404 | Divlo' />
 
-      <Header showLanguage />
+      <Header />
       <main className='flex flex-col md:mx-auto md:max-w-4xl lg:max-w-7xl'>
         <ErrorPage statusCode={404} message={t('errors:not-found')} />
       </main>

pages/500.tsx

@@ -16,7 +16,7 @@ const Error500: NextPage<Error500Props> = (props) => {
     <>
       <Head title='500 | Divlo' />
 
-      <Header showLanguage />
+      <Header />
       <main className='flex flex-col md:mx-auto md:max-w-4xl lg:max-w-7xl'>
         <ErrorPage statusCode={500} message={t('errors:server-error')} />
       </main>

pages/index.tsx

@@ -23,7 +23,7 @@ const Home: NextPage<HomeProps> = (props) => {
     <>
       <Head />
 
-      <Header showLanguage />
+      <Header />
       <main className='flex flex-col md:mx-auto md:max-w-4xl lg:max-w-7xl'>
         <Section isMain id='about'>
           <Profile />