not print the owner name in the object comment.

eg:

--
-- Name: actor; Type: TABLE; Schema: public; Owner: chriskl; Tablespace:
--

Becomes:

--
-- Name: actor; Type: TABLE; Schema: public; Owner: -; Tablespace:
--

This makes it far easier to do 'user independent' dumps.  Especially for
distribution to third parties.

Christopher Kings-Lynne