fix(docs): broken links in README.md (#84)

Author: jkwlui

asset/snippets/quickstart.js

@@ -24,7 +24,6 @@ async function exportAssets(dumpFilePath) {
 
   // Your Google Cloud Platform project ID
   const projectId = await client.getProjectId();
-  console.log(projectId);
   const projectResource = client.projectPath(projectId);
 
   // var dumpFilePath = 'Dump file path, e.g.: gs://<my_bucket>/<my_asset_file>'