Removing date selection component, using material component directly in form instead

frontend/src/components/dateinput/index.tsx

-import React from 'react'
-import DatePicker, {
-  ReactDatePickerProps,
-  registerLocale,
-} from 'react-datepicker'
-
-import 'react-datepicker/dist/react-datepicker.css'
-import { useTranslation } from 'react-i18next'
-
-import nb from 'date-fns/locale/nb'
-import nn from 'date-fns/locale/nn'
-
-registerLocale('nb', nb)
-registerLocale('nn', nn)
-// CSS Modules, react-datepicker-cssmodules.css
-// import 'react-datepicker/dist/react-datepicker-cssmodules.css';
-
-const DateInput = (props: ReactDatePickerProps) => {
-  const { i18n } = useTranslation()
-
-  return (
-    <DatePicker dateFormat="yyyy-MM-dd" locale={i18n.language} {...props} />
-  )
-}
-
-export default DateInput