Delete CSIT job in Beijing branch for APPC

Per PTL meeting discussion, we are going to
disable CSIT in Beijing branch for APPC

Change-Id: I44acb06a2b8f09b05b45a09c93d259b7a610778a
Issue-ID: INT-633
Signed-off-by: Taka Cho <tc012c@att.com>
diff --git a/jjb/appc/appc-csit.yaml b/jjb/appc/appc-csit.yaml
index e0dfbfe..52a53a8 100644
--- a/jjb/appc/appc-csit.yaml
+++ b/jjb/appc/appc-csit.yaml
@@ -8,8 +8,6 @@
     stream:
       - 'master':
           branch: master
-      - 'beijing':
-          branch: 'beijing'
     functionality:
       - 'healthcheck':
           trigger_jobs: