fix(samples): remove unused code

Author: brionmario

samples/teamspace-react/src/pages/SignInPage.tsx

@@ -1,6 +1,5 @@
 'use client';
 
-import {Users} from 'lucide-react';
 import {SignIn} from '@asgardeo/react';
 
 export default function SignInPage() {

samples/teamspace-react/src/pages/SignUpPage.tsx

@@ -1,6 +1,5 @@
 'use client';
 
-import {Users} from 'lucide-react';
 import {SignUp} from '@asgardeo/react';
 import {useNavigate} from 'react-router-dom';