How to remove UCP from SQL 2008 R2
Precautions:
This must be run from the UCP server.
User must have Sysadmin Previlages.
All managed Services must be removed from UCP before executing.
Execute the below
EXEC msdb.dbo.sp_sysutility_ucp_remove
If this doesn’t automatically drop the database sysutility_mdw , Drop it manually.
Helper : http://technet.microsoft.com/en-us/library/ff487180.aspx