removed unnecessary parameter

Former-commit-id: 7fde2e37de646c0544f2463a541f75c17805c543

extension/ui/content/content-ui-main.js

@@ -25,10 +25,7 @@
 
 this.singlefile.extension.ui.content.main = this.singlefile.extension.ui.content.main || (() => {
 
-	const singlefile = this.singlefile;
-	const SingleFile = this.singlefile.lib.SingleFile.getClass({
-		fetch: singlefile.extension.lib.fetch.content.resources.fetch
-	});
+	const SingleFile = this.singlefile.lib.SingleFile.getClass();
 
 	const MASK_TAGNAME = "singlefile-mask";
 	const PROGRESS_BAR_TAGNAME = "singlefile-progress-bar";