code: def gpg_profile_delete_key( blockchain_id, key_id, proxy=None, wallet_keys=None ):
      
  
      res = client.delete_account( blockchain_id, "pgp", key_id, proxy=proxy, wallet_keys=wallet_keys )
      if 'error' in res:
          return res 
  
      removed_accounts = res['removed']
      errors = []
      
      # blow away all state 
      for account in removed_accounts:
          if not account.has_key('contentUrl'):
              continue 
  
          key_url = account['contentUrl']
          if key_url.startswith("blockstack://"):
              # delete
              try:
                  res = client.data_delete( key_url, proxy=proxy, wallet_keys=wallet_keys )
                  if 'error' in res:
                      errors.append({'key_url': key_url, 'message': res['error']})
              except AssertionError, e:
                  log.exception(e)
                  log.error("Failed to delete '%s'" % key_url)
                  raise
  
              except Exception, e:
                  log.exception(e)
                  log.error("Failed to delete '%s'" % key_url)
                  continue
  
      ret = {'status': True}
      if len(errors) > 0:
          ret['delete_errors'] = errors
  
      return ret
docs: Remove a GPG from a blockchain ID's global account.
      Do NOT remove it from the local keyring.
      Return {'status': True, ...} on success.  May include 'delete_errors' if any specific keys couldn't be removed.
      Return {'error': ...} on error