delete tasks we do not need

Change-Id: I11bd2ca57aae530753d5d23bebb55c3edbd420dd
diff --git a/xos/synchronizer/steps/sync_vbbu.yaml b/xos/synchronizer/steps/sync_vbbu.yaml
index 1e1e258..2c9ab6e 100644
--- a/xos/synchronizer/steps/sync_vbbu.yaml
+++ b/xos/synchronizer/steps/sync_vbbu.yaml
@@ -5,15 +5,3 @@
   user: ubuntu
   sudo: yes
   tasks:
-
-  - name: write message
-    shell: echo "{{ display_message }}" > /var/tmp/index.html
-
-  - name: setup s1u interface config
-    shell: ./start_3gpp_int.sh eth1 {{ s1u_tag }} {{ s1u_ip }}/24 
-
-  - name: setup s1mme interface config
-    shell: ./start_3gpp_int.sh eth2 {{ s1mme_tag }} {{ s1mme_ip }}/24 
-
-  - name: setup rru interface config
-    shell: ./start_3gpp_int.sh eth3 {{ rru_tag }} {{ rru_ip }}/24