How to Hide Chart Builder Admin Menus

function plt_hide_chart_builder_menus() {
	//Hide "Chart Builder".
	remove_menu_page('chart-builder');
	//Hide "Chart Builder → All Charts".
	remove_submenu_page('chart-builder', 'chart-builder');
	//Hide "Chart Builder → Add New".
	remove_submenu_page('chart-builder', 'chart-builder&action=add');
	//Hide "Chart Builder → General Settings".
	remove_submenu_page('chart-builder', 'chart-builder-settings');
	//Hide "Chart Builder → How to use".
	remove_submenu_page('chart-builder', 'chart-builder-dashboard');
	//Hide "Chart Builder → Our products".
	remove_submenu_page('chart-builder', 'chart-builder-featured-plugins');
	//Hide "Chart Builder → PRO Features".
	remove_submenu_page('chart-builder', 'chart-builder-chart-features');
}

add_action('admin_menu', 'plt_hide_chart_builder_menus', 146);
Where do I put this code?