function plt_hide_ithemes_sync_menus() {
//Hide the "Settings → SolidWP Licensing" menu.
remove_submenu_page('options-general.php', 'ithemes-licensing');
//Hide the "Settings → Solid Central" menu.
remove_submenu_page('options-general.php', 'solid-central');
}
add_action('admin_menu', 'plt_hide_ithemes_sync_menus', 1000000);