Tips on Customizing WordPress Event Calendar

How to Hide SpoonTalk Event Calendar Admin Menus

function plt_hide_spoontalk_event_calendar_menus() {
	//Hide "Events".
	remove_menu_page('edit.php?post_type=stec_custom_event');
	//Hide "Events → Events".
	remove_submenu_page('edit.php?post_type=stec_custom_event', 'edit.php?post_type=stec_custom_event');
	//Hide "Events → Add Post".
	remove_submenu_page('edit.php?post_type=stec_custom_event', 'post-new.php?post_type=stec_custom_event');
	//Hide "Events → Event Categories".
	remove_submenu_page('edit.php?post_type=stec_custom_event', 'edit-tags.php?taxonomy=stec_event_category&post_type=stec_custom_event');
	//Hide "Events → FAQ".
	remove_submenu_page('edit.php?post_type=stec_custom_event', 'spoontalk-event-calendar/faq.php');
}

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

Where do I put this code?

How to Hide the "Fill Events" Meta Box

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

	//Hide the "Fill Events" meta box.
	remove_meta_box('myplugin_sectionid', $screen->id, 'advanced');
}

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