Disable nplus1 as we don't handle dups yet.

BUG=None
TEST=Pyflakes

Change-Id: Ia38c5e83ee9abb34c7b5714bc28d0d362a176125
Reviewed-on: http://gerrit.chromium.org/gerrit/7475
Reviewed-by: Chris Sosa <sosa@chromium.org>
Tested-by: Chris Sosa <sosa@chromium.org>
diff --git a/ctest/ctest.py b/ctest/ctest.py
index 4c089a5..93b5715 100755
--- a/ctest/ctest.py
+++ b/ctest/ctest.py
@@ -154,7 +154,6 @@
     cmd.append('--board=%s' % self.board)
     if full:
       cmd.append('--full_suite')
-      cmd.append('--nplus1')
       if self.sign_payloads:
         cmd.append('--public_key=%s' % self.public_key)
         cmd.append('--private_key=%s' % self.private_key)