How to remove the iPrint for OES 2015 Add On product

A problem with licensing on iPrint for OES 2015 prevents printing and prevents the ability to manage iPrint with a 0x501 error
The /ipcon management page won't load.
The iPrint process appear to be running fine on the server
ps -ef | grep iprint correctly shows two ipsmd processes running and one  iprintgw process running.
The /var/log/apache/error_log shows the following when trying to manage iPrint objects:

[DATE + TIME] [error] REST call failed. HTTP Status Code: 500
[DATE + TIME] [error] Fetching license info failed.
[DATE + TIME] [error] Http Code : 500
[DATE + TIME] [error] Curl Code : 22
[DATE + TIME] [error] Error occurred while fetching licensing information.
[DATE + TIME] [error] ParseAndProcessIPPRequest : No valid license available
[DATE + TIME] [warn] IPP Operation error=SRVR_ERR_OPERATION_NOT_SUPP, operation=Get Printer Attributes

1. Edit the /etc/opt/novell/iprint/conf/iprintconf.properties file

Original:

platform=oes
mobility_addon_installed=true
mobility_addon_configured=true

Change to:

platform=oes
mobility_addon_installed=false
mobility_addon_configured=false

2. Configure the iPrint Mobile service to not run on bootup:

chkconfig novell-iprint-mobile off

3. Restart the Print Manager, Driver Store, and Apache:

rcnovell-ipsmd restart;rcnovell-idsd restart;rcapache2 restart