removed obsolete code

lib/single-file/single-file-core.js

@@ -744,7 +744,6 @@ this.SingleFileCore = this.SingleFileCore || (() => {
 					options.content = frameData.content;
 					options.canvasData = frameData.canvasData;
 					options.stylesheetContents = frameData.stylesheetContents;
-					options.currentSrcImages = frameData.currentSrcImages;
 					options.fontsData = frameData.fontsData;
 					options.imageData = frameData.imageData;
 					options.usedFonts = frameData.usedFonts;