Add Jenkins jobs for ccsdk/sdnc istanbul branches

Add Jenkins jobs for CCSDK and SDNC istanbul branches and
remove jobs for dormant ccsdk/utils repo

Issue-ID: CCSDK-3470
Issue-ID: SDNC-1611
Signed-off-by: Dan Timoney <dtimoney@att.com>
Change-Id: Iac565ca573353c89ebd4727c206acb6742ca98fb
diff --git a/jjb/ccsdk/ccsdk-csit.yaml b/jjb/ccsdk/ccsdk-csit.yaml
index 1853728..c8af14c 100644
--- a/jjb/ccsdk/ccsdk-csit.yaml
+++ b/jjb/ccsdk/ccsdk-csit.yaml
@@ -17,6 +17,8 @@
           branch: 'master'
       - 'honolulu':
           branch: 'honolulu'
+      - 'istanbul':
+          branch: 'istanbul'
     mvn-settings: 'ccsdk-distribution-settings'
     robot-options: ''
     branch: 'master'
@@ -37,6 +39,8 @@
           branch: 'master'
       - 'honolulu':
           branch: 'honolulu'
+      - 'istanbul':
+          branch: 'istanbul'
     mvn-settings: 'ccsdk-oran-settings'
     robot-options: ''
     branch: 'master'