removed redundant role

installations/single-region-installation/components/opdk-setup-postgres-common.yml

diff --git a/installations/single-region-installation/components/opdk-setup-postgres-common.yml b/installations/single-region-installation/components/opdk-setup-postgres-common.yml
index 7015614..c444235 100644
--- a/installations/single-region-installation/components/opdk-setup-postgres-common.yml
+++ b/installations/single-region-installation/components/opdk-setup-postgres-common.yml
@@ -6,7 +6,6 @@
   roles:
   - apigee-opdk-enable-swap
   - apigee-opdk-setup-default-settings
-  - apigee-opdk-setup-apigee-user
   - apigee-opdk-setup-os-postgres
   - apigee-opdk-setup-postgres-config