How to Hide the "Easy SocialShare" Admin Menu

function plt_hide_et_easy_socialshare_menus() {
	//Hide the "Easy SocialShare" menu.
	remove_menu_page('et-easy-socialshare-settings');
}

add_action('admin_menu', 'plt_hide_et_easy_socialshare_menus', 11);

Where do I put this code?