Tips on Customizing Platinum SEO

How to Hide Platinum SEO Pack Admin Menus

function plt_hide_platinum_seo_pack_menus() {
	//Hide "Platinum SEO and Social Pack".
	remove_menu_page('platinum-seo-social-pack-by-techblissonline');
	//Hide "Platinum SEO and Social Pack → SEO".
	remove_submenu_page('platinum-seo-social-pack-by-techblissonline', 'platinum-seo-social-pack-by-techblissonline');
	//Hide "Platinum SEO and Social Pack → Social".
	remove_submenu_page('platinum-seo-social-pack-by-techblissonline', 'psp-social-by-techblissonline');
	//Hide "Platinum SEO and Social Pack → Tools".
	remove_submenu_page('platinum-seo-social-pack-by-techblissonline', 'psp-tools-by-techblissonline');
	//Hide "Platinum SEO and Social Pack → Redirections".
	remove_submenu_page('platinum-seo-social-pack-by-techblissonline', 'redirectionmanager');
	//Hide "Platinum SEO and Social Pack → Manage 404 Errors".
	remove_submenu_page('platinum-seo-social-pack-by-techblissonline', 'manager404');
	//Hide "Platinum SEO and Social Pack → Role Manager".
	remove_submenu_page('platinum-seo-social-pack-by-techblissonline', 'pspp-caps');
	//Hide "Platinum SEO and Social Pack → Setup wizard".
	remove_submenu_page('platinum-seo-social-pack-by-techblissonline', 'wizard');

	//Hide "Tools → Platinum SEO Redirections Manager".
	remove_submenu_page('tools.php', 'redirectionmanager');
	//Hide "Tools → Platinum SEO 404 Manager".
	remove_submenu_page('tools.php', 'manager404');
}

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

Where do I put this code?

How to Hide the "Techblissonline Platinum SEO and Social Meta Box" Meta Box

function plt_hide_platinum_seo_pack_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Techblissonline Platinum SEO and Social Meta Box" meta box.
	remove_meta_box('postpsp', $screen->id, 'normal');
}

add_action('add_meta_boxes', 'plt_hide_platinum_seo_pack_metaboxes', 20);