Hide ACF menu item from the admin menu

functions.php

/**
 * Hide ACF menu item from the admin menu
 */

function remove_acf_menu()
{

    // provide a list of usernames who can edit custom field definitions here
    $admins = array(
        'levy-admin',
        'fakename'
    );

    // get the current user
    $current_user = wp_get_current_user();

    // match and remove if needed
    if( !in_array( $current_user->user_login, $admins ) )
    {
        remove_menu_page('edit.php?post_type=acf'); //ACF
         remove_menu_page('tools.php'); //Tools
    }

}
add_action( 'admin_menu', 'remove_acf_menu' );