Delete workspace and projects from repository in HANA

Hello,

Can anyone suggest me best deletion steps to delete .project and .settings in HANA.

Tried scn:http://scn.sap.com/message/14020589 but doesn't helped me still gives "Repository package is not empty" also tried refactor .

i need to delete the complete package from HANA instance ,can anyone suggest for my query?

Regards,

Reddy Rajesh M.