nicolium: no need to import datepicker css in main

Signed-off-by: nicole mikołajczyk <git@mkljczk.pl>

packages/nicolium/src/main.tsx

@@ -26,7 +26,6 @@ import '@fontsource/inter/700.css';
 import '@fontsource/inter/900.css';
 import '@fontsource/roboto-mono/400.css';
 import 'line-awesome/dist/font-awesome-line-awesome/css/all.css';
-import 'react-datepicker/dist/react-datepicker.css';
 import './styles/i18n.css';
 import './styles/application.scss';
 import './styles/tailwind.css';