Tips on Customizing PowerPress Podcasting plugin by Blubrry

How to Hide the "PowerPress" Admin Menu

function plt_hide_powerpress_menus() {
	//Hide the "PowerPress" menu.
	remove_menu_page('powerpressadmin_onboarding.php');
}

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

Where do I put this code?

How to Hide the "Podcast Episode" Meta Box

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

	//Hide the "Podcast Episode" meta box.
	remove_meta_box('powerpress-podcast', $screen->id, 'normal');
}

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

How to Hide Blubrry PowerPress Dashboard Widgets

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

	//Remove the "Podcast Insider by Blubrry" widget.
	remove_meta_box('powerpress_dashboard_news', 'dashboard', 'normal');
	//Remove the "Blubrry Podcast Statistics" widget.
	remove_meta_box('powerpress_dashboard_stats', 'dashboard', 'normal');
}

add_action('wp_dashboard_setup', 'plt_hide_powerpress_dashboard_widgets', 20);