removed extraneous console log, issue #574

lib/verifier/certassertion.js

@@ -208,8 +208,6 @@ function verify(assertion, audience, successCB, errorCB, pkRetriever) {
           return errorCB();
       }
 
-      console.log("verifying assertion");
-      
       var tok = new jwt.JWT();
       tok.parse(bundle.assertion);