AbstractDaemonTest: Set parent project on project creation only once

Change-Id: Ife554cf60884c88c8920d86a4e297f6b8cef782e
Signed-off-by: Edwin Kempin <ekempin@google.com>
diff --git a/java/com/google/gerrit/acceptance/AbstractDaemonTest.java b/java/com/google/gerrit/acceptance/AbstractDaemonTest.java
index 7451351..d9f33ad 100644
--- a/java/com/google/gerrit/acceptance/AbstractDaemonTest.java
+++ b/java/com/google/gerrit/acceptance/AbstractDaemonTest.java
@@ -586,7 +586,6 @@
         .submitType(submitType)
         .parent(parent)
         .createEmptyCommit(createEmptyCommit)
-        .parent(parent)
         .create();
   }