remove R3 appc jenkins

R3 and R3 Mtn were passed,
so removing R3 jenkins jobs

Change-Id: I9aac7073fdf8973e2e94fb48049c25427ceb5b8b
Issue-ID: APPC-1405
Signed-off-by: Taka Cho <takamune.cho@att.com>
diff --git a/jjb/appc/appc-csit.yaml b/jjb/appc/appc-csit.yaml
index 3fe0049..7e8dfa3 100644
--- a/jjb/appc/appc-csit.yaml
+++ b/jjb/appc/appc-csit.yaml
@@ -7,9 +7,7 @@
     project-name: 'appc'
     stream:
       - 'master':
-          branch: master
-      - 'casablanca':
-          branch: 'casablanca'
+          branch: 'master'
     functionality:
       - 'healthcheck':
           trigger_jobs: '{project-name}-{stream}-release-java-daily-checkstyle'