remove notices of hello dolly plugin.

hello-dolly.php

add_action( 'admin_head', 'remove_notices');
function remove_notices() {
		$current_screen = get_current_screen();
		if ( $current_screen && ( 'woocommerce_page_trackipal/trackipal-admin' === $current_screen->id ) ) {
        // Hello Dolly.
        if ( function_exists( 'hello_dolly' ) ) {
          remove_action( 'admin_notices', 'hello_dolly' );
        }
		}
}