Merge branch 'testing' of https://github.com/bazelbuild/continuous-integration into testing

buildkite/collect_metrics.py

diff --git a/buildkite/collect_metrics.py b/buildkite/collect_metrics.py
index 1d3956c..2fa0318 100644
--- a/buildkite/collect_metrics.py
+++ b/buildkite/collect_metrics.py
@@ -6,8 +6,6 @@
 import urllib
 from datetime import datetime
 from collections import defaultdict
-from google.cloud import bigquery
-
 
 # --- Helpers ---