Tips on Customizing WP Reactions Lite

How to Hide WP Reactions Lite Admin Menus

function plt_hide_wp_reactions_lite_menus() {
	//Hide "WP Reactions".
	remove_menu_page('wpra-dashboard');
	//Hide "WP Reactions → Dashboard".
	remove_submenu_page('wpra-dashboard', 'wpra-dashboard');
	//Hide "WP Reactions → Global Activation".
	remove_submenu_page('wpra-dashboard', 'wpra-global-options');
	//Hide "WP Reactions → Support".
	remove_submenu_page('wpra-dashboard', 'wpra-support');
	//Hide "WP Reactions → PRO".
	remove_submenu_page('wpra-dashboard', 'wpra-pro');
}

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

Where do I put this code?

How to Hide the "WP Reactions" Meta Box

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

	//Hide the "WP Reactions" meta box.
	remove_meta_box('wpra_options', $screen->id, 'advanced');
}

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