[logdog] Replace Tumble with push queues.

common/gcloud/pubsub/topic.go

Index: common/gcloud/pubsub/topic.go
diff --git a/common/gcloud/pubsub/topic.go b/common/gcloud/pubsub/topic.go
index 262e6d6ad9e6b4169d9b02b50ac45c7e9351adfa..e10e95ce9c8a7a195585500ff522fb83913933e8 100644
--- a/common/gcloud/pubsub/topic.go
+++ b/common/gcloud/pubsub/topic.go
@@ -16,8 +16,6 @@ package pubsub
 
 import (
 	"flag"
-
-	"cloud.google.com/go/pubsub"
 )
 
 // Topic is a fully-qualified Pub/Sub project/topic name.
@@ -61,17 +59,3 @@ func (t Topic) SplitErr() (p, n string, err error) {
 	p, n, err = resourceProjectName(string(t))
 	return
 }
-
-// DisableTopicBundling configures a new pubsub.Topic to not bundle its data.
-//
-// t must NOT have had any Publish calls made yet, else these settings will not
-// have any effect.
-//
-// By default, a Pub/Sub Topic bundles data, delaying its actual dispatch in
-// favor of batching calls. Sometimes this is not desired. This function
-// configures an existing Topic not to bundle.
-func DisableTopicBundling(t *pubsub.Topic) {
-	t.PublishSettings.DelayThreshold = 0
-	t.PublishSettings.NumGoroutines = 1
-	t.PublishSettings.CountThreshold = 1
-}