Tips on Customizing Dropp Pay Per Use

How to Hide Dropp Pay Per Use Admin Menus

function plt_hide_dropp_pay_per_use_menus() {
	//Hide "Dropp Pay Per Use".
	remove_menu_page('dropp-cc-paywall');
	//Hide "Dropp Pay Per Use → Welcome & Quick Start".
	remove_submenu_page('dropp-cc-paywall', 'dropp-cc-paywall');
	//Hide "Dropp Pay Per Use → 1. Link Dropp Account".
	remove_submenu_page('dropp-cc-paywall', 'dropp-cc-paywall-account');
	//Hide "Dropp Pay Per Use → 2. Create System pages".
	remove_submenu_page('dropp-cc-paywall', 'dropp-cc-paywall-settings');
	//Hide "Dropp Pay Per Use → 3. Set Your Pricing Plan".
	remove_submenu_page('dropp-cc-paywall', 'dropp-cc-paywall-current-restrictions');
	//Hide "Dropp Pay Per Use → View Recent Purchases".
	remove_submenu_page('dropp-cc-paywall', 'dropp-cc-paywall-subscriptions');
	//Hide "Dropp Pay Per Use → View Logs".
	remove_submenu_page('dropp-cc-paywall', 'dropp-cc-paywall-logs');
}

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

Where do I put this code?

How to Hide the "Dropp Paywall" Meta Box

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

	//Hide the "Dropp Paywall" meta box.
	remove_meta_box('droppcc_paywall_metabox', $screen->id, 'side');
}

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