DeleteChangeUsingMultiGerrit1: Remove extra comma

Align these lines with how the other classes format them; cleaner.

Change-Id: I39fbdf35c035698c2022748b0ff782cd8c5eeaff

src/test/scala/com/googlesource/gerrit/plugins/multisite/scenarios/DeleteChangeUsingMultiGerrit1.scala

diff --git a/src/test/scala/com/googlesource/gerrit/plugins/multisite/scenarios/DeleteChangeUsingMultiGerrit1.scala b/src/test/scala/com/googlesource/gerrit/plugins/multisite/scenarios/DeleteChangeUsingMultiGerrit1.scala
index 420cfe9..cac806a 100644
--- a/src/test/scala/com/googlesource/gerrit/plugins/multisite/scenarios/DeleteChangeUsingMultiGerrit1.scala
+++ b/src/test/scala/com/googlesource/gerrit/plugins/multisite/scenarios/DeleteChangeUsingMultiGerrit1.scala
@@ -44,6 +44,5 @@
   setUp(
     test.inject(
       atOnceUsers(1)
-    ),
-  ).protocols(httpProtocol)
+    )).protocols(httpProtocol)
 }