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>

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 };
 }