Remove incorrect validation of forwared messages

Messages are forwareded when received from another link, this means it's
too late to throw an error that bubbles up to the code trying to send
the incorrect message thus defeating the purpose of the validation.

packages/lib/src/link/link.js

@@ -423,14 +423,6 @@ class Link {
 	}
 
 	forwardRequest(message, origin) {
-		if (this.validateSent) {
-			let entry = this.constructor._requestsByName.get(message.name);
-			if (!entry) {
-				throw new Error(`Attempt to forward unregistered Request ${message.name}`);
-			}
-			entry.requestFromJSON(message.data);
-		}
-
 		let pending = {
 			origin,
 			src: message.src,