refactor(JWKSet): remove kid generation

src/JWKSet.js

@@ -17,15 +17,6 @@ const fs = require('fs')
 const JWK = require('./JWK')
 const { DataError, OperationError } = require('./errors')
 
-/**
- * Random KID Generator
- * @ignore
- */
-function random (byteLen) {
-  let value = crypto.getRandomValues(new Uint8Array(byteLen))
-  return Buffer.from(value).toString('hex')
-}
-
 /**
  * JWKSet
  * @ignore
@@ -279,10 +270,7 @@ class JWKSet {
 
     return cryptoKeyPromise
       .then(({ privateKey, publicKey }) => [privateKey, publicKey])
-      .then(keys => {
-        let kid = random(8)
-        return Promise.all(keys.map(key => JWK.fromCryptoKey(key, { alg, kid })))
-      })
+      .then(keys => Promise.all(keys.map(key => JWK.fromCryptoKey(key, { alg }))))
       .then(keys => {
         this.keys = this.keys.concat(keys)
         return keys