readme change

README.md

@@ -38,10 +38,7 @@ OEG can be deployed in a Kubernetes cluster by executing the file _oeg-deploymen
 | **Variable**                | **Description**                                             |
 |-----------------------------|-------------------------------------------------------------|
 | `SRM_HOST`                  | Base URL of the Service Resource Manager                   |
-| `PI_EDGE_USERNAME`          | Username for authenticating to SRM                         |
-| `PI_EDGE_PASSWORD`          | Password for authenticating to SRM                         |
 | `FEDERATION_MANAGER_HOST`   | Base URL of the Federation Manager                         |
-| `HTTP_PROXY` *(optional)*   | HTTP proxy URL if needed                                   |