Don't strip $.

I think I was intending to strip & and prevent those variables,
but it looks like the original doesn't.

However, it also looks like the original doesn't *always* replace
string variables... will need to look into that harder in the future.

xtrn/lord2/l2lib.js

@@ -571,10 +571,7 @@ function clean_str(str)
 	var i;
 
 	for (i = 0; i < str.length; i += 1) {
-		if (str[i] === '$') {
-			// Just skip it.
-		}
-		else if (str[i] !== '`') {
+		if (str[i] !== '`') {
 			ret += str[i];
 		}
 		else {