crypto: remove redundant validateUint32 argument

The third parameter should be a boolean indicating whether the number
must be positive. Passing zero works, but is unnecessary, misleading
and inconsistent with other uses of the same function.
PR-URL: #30579
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: tniessen

lib/internal/crypto/pbkdf2.js

@@ -66,8 +66,8 @@ function check(password, salt, iterations, keylen, digest) {
 
 password=getArrayBufferView(password,'password');
 salt=getArrayBufferView(salt,'salt');
-validateUint32(iterations,'iterations',0);
-validateUint32(keylen,'keylen',0);
+validateUint32(iterations,'iterations');
+validateUint32(keylen,'keylen');
 
 return{ password, salt, iterations, keylen, digest };
 }