[OOM] Clean up old jobs

Remove helm 2 and helm 3.5

Change-Id: I3acd07c23e8cfe8d88b93b13e39589c7e6188f84
Signed-off-by: efiacor <fiachra.corcoran@est.tech>
Issue-ID: OOM-2965
diff --git a/jjb/oom/oom-readiness.yaml b/jjb/oom/oom-readiness.yaml
index b43b4a0..5a8257b 100644
--- a/jjb/oom/oom-readiness.yaml
+++ b/jjb/oom/oom-readiness.yaml
@@ -31,8 +31,8 @@
       stream:
           - 'master':
                 branch: 'master'
-          - 'frankfurt':
-                branch: 'frankfurt'
+          - 'jakarta':
+                branch: 'jakarta'
 
 - project:
     name: oom-readiness-release