refactor(bitbucket): no token initRepo

lib/platform/bitbucket/index.js

@@ -76,9 +76,9 @@ async function getRepos(token, endpoint) {
 }
 
 // Initialize bitbucket by getting base branch and SHA
-async function initRepo({ repository, token, endpoint }) {
+async function initRepo({ repository, endpoint }) {
   logger.debug(`initRepo("${repository}")`);
-  const opts = hostRules.find({ platform: 'bitbucket' }, { token, endpoint });
+  const opts = hostRules.find({ platform: 'bitbucket' }, { endpoint });
   // istanbul ignore next
   if (!opts.token) {
     throw new Error(`No token found for Bitbucket repository ${repository}`);