don't remove JSON-LD scripts

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

@@ -314,7 +314,7 @@ const SingleFileCore = (() => {
 		}
 
 		removeScripts() {
-			this.doc.querySelectorAll("script").forEach(element => element.remove());
+			this.doc.querySelectorAll("script:(not[type=\"application/ld+json\"])").forEach(element => element.remove());
 		}
 
 		removeFrames() {