Revert "CORD-1868 Pull latest XOS images from registry"

This reverts commit c23722d29ad1f704436461393d31cdb049cc4716.

Change-Id: I485858c58094e81f236c3e180c2e912914ab6106
diff --git a/roles/xos-up/tasks/main.yml b/roles/xos-up/tasks/main.yml
index 48491d0..38d3b47 100644
--- a/roles/xos-up/tasks/main.yml
+++ b/roles/xos-up/tasks/main.yml
@@ -22,8 +22,7 @@
     name: "{{ item }}"
   with_items: "{{ xos_docker_networks }}"
 
-- name: Start all XOS services using latest images in registry
+- name: Bring up XOS services
   docker_service:
     project_name: "{{ cord_profile | regex_replace('\\W','') }}"
     project_src: "{{ head_cord_profile_dir }}"
-    pull: true