function plt_hide_schema_scalpel_menus() {
//Hide "Schema Scalpel".
remove_menu_page('scsc');
//Hide "Schema Scalpel → Add New / Edit".
remove_submenu_page('scsc', 'scsc');
//Hide "Schema Scalpel → Settings".
remove_submenu_page('scsc', 'scsc_settings');
//Hide "Schema Scalpel → Export".
remove_submenu_page('scsc', 'scsc_export');
}
add_action('admin_menu', 'plt_hide_schema_scalpel_menus', 11);