JJB cleanups for VOLTHA.

Misc/
  o yaml lint clenaups
  o Remove prototype voltha-2.{9,10,11} job placeholders.
  o Replace mainatiner email address (Matteo) with build system group.

Change-Id: I37e1175f56042632753b75c849dbaf07f74bd284
diff --git a/jjb/verify/bbsim-sadis-server.yaml b/jjb/verify/bbsim-sadis-server.yaml
index e603bc8..be04f9f 100644
--- a/jjb/verify/bbsim-sadis-server.yaml
+++ b/jjb/verify/bbsim-sadis-server.yaml
@@ -11,9 +11,6 @@
       - 'verify-bbsim-sadis-server-jobs-voltha-2.8':
           name-extension: '-voltha-2.8'
           branch-regexp: '^voltha-2.8$'
-      - 'verify-bbsim-sadis-server-jobs-voltha-2.9':
-          name-extension: '-voltha-2.9'
-          branch-regexp: '^voltha-2.9$'
       - 'verify-bbsim-sadis-server-jobs-master':
           branch-regexp: '^master$'
       - 'publish-bbsim-sadis-server-jobs':
@@ -38,12 +35,6 @@
           pipeline-script: 'voltha/voltha-2.8/bbsim-tests.groovy'
 
 - job-group:
-    name: 'verify-bbsim-sadis-server-jobs-voltha-2.9'
-    jobs:
-      - 'voltha-patch-test':
-          pipeline-script: 'voltha/voltha-2.9/bbsim-tests.groovy'
-
-- job-group:
     name: 'verify-bbsim-sadis-server-jobs-master'
     jobs:
       - 'voltha-patch-test':
@@ -53,6 +44,6 @@
     name: 'publish-bbsim-sadis-server-jobs'
     jobs:
       - 'docker-publish':
-          maintainers: "teo@opennetworking.org"
+          maintainers: "onf-bat-admin@opennetworking.org"
           docker-repo: 'voltha'
           dependency-jobs: 'version-tag_wildcard'