Remove the jobs on old branches

Issue-ID: PORTAL-430
Change-Id: If8680ee11f84a8d509c1fdcadd70440f4ff4c40f
Signed-off-by: Manoop Talasila <talasila@research.att.com>
diff --git a/jjb/portal-sdk/portal-sdk.yaml b/jjb/portal-sdk/portal-sdk.yaml
index b5fab5f..fbde4c6 100644
--- a/jjb/portal-sdk/portal-sdk.yaml
+++ b/jjb/portal-sdk/portal-sdk.yaml
@@ -18,14 +18,6 @@
     stream:
       - 'master':
           branch: 'master'
-      - 'release-2.1.0':
-          branch: 'release-2.1.0'
-      - 'release-2.1.1':
-          branch: 'release-2.1.1'
-      - 'release-2.2.0':
-          branch: 'release-2.2.0'
-      - 'release-2.3.0':
-          branch: 'release-2.3.0'
       - 'release-2.4.0':
           branch: 'release-2.4.0'
     mvn-settings: 'portal-sdk-settings'