[VOL-5010] - Clone unit tests to run on a v2.12 branch

vars/installVoltctl.groovy
--------------------------
  o Comment out v2.11 release until we can figure out what happened to the released binary on github.

Change-Id: I98b539713559ea21f6d30f99a039600359c5102d
diff --git a/vars/installVoltctl.groovy b/vars/installVoltctl.groovy
index 7fea847..f5f54af 100644
--- a/vars/installVoltctl.groovy
+++ b/vars/installVoltctl.groovy
@@ -39,7 +39,7 @@
     def released=[
 	// 'voltha-2.12' : '?.?.?'
 	// https://github.com/opencord/voltctl/releases/tag/v1.8.1
-	'voltha-2.11' : '1.8.4',
+	// 'voltha-2.11' : '1.8.4',
 	// https://github.com/opencord/voltctl/releases/tag/v1.7.6
 	'voltha-2.10' : '1.7.6',
 	'voltha-2.9'  : '1.7.4',