removed debug code

lib/single-file/html-images-minifier.js

@@ -140,7 +140,6 @@ this.imagesMinifier = this.imagesMinifier || (() => {
 							imageElement.setAttributeNS(SVG_NS, "width", width);
 							imageElement.setAttributeNS(SVG_NS, "height", height);
 						}
-						svgElement.style.border = "1px solid red";
 						imgElement.parentElement.replaceChild(svgElement, imgElement);
 					}