Page setup - removing

I have inherited dozens of page setups via a "master" drawing template that
I want to delete.
(I have cleaned the master).
How do a remove from many drawings affected?

Thanks

 

; DAPS - Delete All Page Setups
;
(defun c:daps ()
(vl-load-com)
(vlax-for ps (vla-get-plotconfigurations
(vla-get-activedocument
(vlax-get-acad-object)))
(vla-delete ps)
)
)