updated qpid upgrade

install-edge.yml

diff --git a/install-edge.yml b/install-edge.yml
index 677a04b..3b22d1f 100644
--- a/install-edge.yml
+++ b/install-edge.yml
@@ -32,8 +32,6 @@
 - name: Install and configure Postgres pre-requisites
   import_playbook: apigee-os-pre-requisites-postgres.yml
   tags: ['os', 'os-postgres']
-  vars:
-    target_hosts: edge
 
 - name: Install Apigee pre-requisites
   import_playbook: apigee-pre-requisites-bootstrap.yml