How to Hide Social Login, Social Sharing by miniOrange Admin Menus

function plt_hide_miniorange_login_openid_menus() {
	//Hide "miniOrange Social Login, Sharing".
	remove_menu_page('mo_openid_settings');
	//Hide "miniOrange Social Login, Sharing → Social Login".
	remove_submenu_page('mo_openid_settings', 'mo_openid_general_settings');
	//Hide "miniOrange Social Login, Sharing → Social Sharing".
	remove_submenu_page('mo_openid_settings', 'mo_openid_social_sharing_settings');
	//Hide "miniOrange Social Login, Sharing → Social Commenting".
	remove_submenu_page('mo_openid_settings', 'mo_openid_social_commenting_settings');
	//Hide "miniOrange Social Login, Sharing → Add-On".
	remove_submenu_page('mo_openid_settings', 'mo_openid_settings_addOn');
}

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

Where do I put this code?