Update for Voltha 2.14 release

Remove all 2.11 and 2.13 tests, add 2.14.

Signed-off-by: Eric Ball <eball@linuxfoundation.org>
Change-Id: Ifc261707dd36aa465b2f0cc3dfe69cdc14844da8
diff --git a/.gitreview b/.gitreview
index 74ed635..f6a93d9 100644
--- a/.gitreview
+++ b/.gitreview
@@ -3,4 +3,4 @@
 port=29418
 project=ci-management.git
 defaultremote=origin
-defaultbranch=master
+defaultbranch=voltha-2.14