update imports for React 18

Change-Id: Ibc75ce532003a478b31d5d85d84c83a017262041
diff --git a/client/src/components/welcome.js b/client/src/components/welcome.js
index 46c054c..24a217a 100644
--- a/client/src/components/welcome.js
+++ b/client/src/components/welcome.js
@@ -1,6 +1,6 @@
 import { Button, Container } from '@mui/material';
 import { AnimatePresence, motion } from 'framer-motion';
-import React, { useState } from 'react';
+import { useState } from 'react'
 import JamiLogo from '../../public/jami-logo-icon.svg'
 
 const list = {