Deletes all the versions of an existing show
Namespace: Show
Void Show.DeleteExistingVersions(String showName, AcwPathDeviceKey defaultShowDir)
http://[ip]:4430/titan/script/2/Show/DeleteExistingVersions?showName={string}&defaultShowDir={}
showName ( String ) : Name of the show.
defaultShowDir ( AcwPathDeviceKey ) : The default show dir.