Remove mention of ALTER USER able to remove passwords.

doc/src/sgml/ref/createuser.sgml

 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/createuser.sgml,v 1.33 2003/05/26 17:50:09 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/createuser.sgml,v 1.34 2003/06/06 15:31:46 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -53,7 +53,7 @@ PostgreSQL documentation
   </para>
 
   <para>
-   Passwords can only be added later, changed, or removed using the
+   Passwords can only be added later or changed using the
    <acronym>SQL</acronym> command <xref linkend="SQL-ALTERUSER" 
    endterm="SQL-ALTERUSER-title">.
   </para>