title: Delete specific document from existing envelope in docusign
body: <p>I am using DocuSign.eSign dll in C#. I want to delete document from Docusign</p>
  
  <p>In my case, one envelope consists multiple documents and i want to delete specific document using documentid from an existing envelope </p>
  
  <p>I have used the method exposed by "EnvelopesApi" class like "DeleteDocuments". But it essentially delete a document from draft envelope but I want delete any envelop generated at DocuSign.</p>