Send the CTS roll to the gardener

Bug: dawn:1940
Change-Id: I349fd28506947377746bb73ed7238914b4de637d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/161160
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Auto-Submit: Austin Eng <enga@chromium.org>
diff --git a/tools/src/gerrit/gerrit.go b/tools/src/gerrit/gerrit.go
index 736b236..d208539 100644
--- a/tools/src/gerrit/gerrit.go
+++ b/tools/src/gerrit/gerrit.go
@@ -333,10 +333,7 @@
 		return err
 	}
 	if reviewer != "" {
-		// Log the reviewer and then replace with enga@.
-		// TODO(crbug.com/dawn/1940): Use the actual reviewer when the bot is stable.
 		log.Printf("Got reviewer %s", reviewer)
-		reviewer = "enga@chromium.org"
 		_, resp, err = g.client.Changes.AddReviewer(changeID, &gerrit.ReviewerInput{
 			Reviewer: reviewer,
 		})