Fix linting errors.

Author: dlongley

lib/zcaps.js

@@ -6,11 +6,11 @@ import * as middleware from './middleware.js';
 import * as schemas from '../schemas/bedrock-profile-http.js';
 import {asyncHandler} from '@bedrock/express';
 import cors from 'cors';
-import {createHash} from 'node:crypto';
 import {getRefreshedZcap} from './refreshedZcapCache.js';
 import {createValidateMiddleware as validate} from '@bedrock/validation';
 
-const {util: {BedrockError}} = bedrock;
+// FIXME: use below
+//const {util: {BedrockError}} = bedrock;
 
 bedrock.events.on('bedrock-express.configure.routes', app => {
   const cfg = bedrock.config['profile-http'];