Uninstal workflow manager 2013

Resolution:

We executed the following steps to resolve the issue. 

1. Deleted the following registry hives: 

HKLM\Software\Microsoft\Workflow Manager
HKLM\Software\Microsoft\Service Bus

        2.  Deleted the following databases:

SbGatewayDatabase
SbManagementDB
SBMessageContainer01
WFManagementDB
WFResourceManagementDB
WFInstanceManagementDB

       3.  Uninstalled CU1 for Workflow Manager 1.0 and CU1 for Service Bus 1.0 from Control Panel

       4.  Uninstalled Workflow Manager 1.0, Workflow Manager Client 1.0, Service Bus 1.0 and Windows Fabric in the order mentioned (Refer: http://technet.microsoft.com/en-us/library/jj193489.aspx)

       5.  Rebooted the machine hosting WFM 1.0