Remove <ins> tag in <del> tag for strike through

Correct HTML markup to ensure proper strike-through formatting.

add_filter('advanced_woo_discount_rules_strikeout_price_html', function($html, $original_price, $discounted_price, $is_variable_product, $initial_price_html, $separator){
	if($initial_price_html){
          $initial_price_html = str_replace('<ins>', '', $initial_price_html);
          $initial_price_html = str_replace('</ins>', '', $initial_price_html);
          $html = '<del>' . $initial_price_html . '</del>' . $separator . '<ins>' . $discounted_price . '</ins>';
	}
	return $html;
}, 10, 6);