pgsql: Back out double-run of PDF/PS output.

Log Message:
-----------
Back out double-run of PDF/PS output.  Requires building bookindex.sgml
properly.

Remove SGML docs about openjade performance patch, and instead add
comment in style sheet where indenting code is commented out.

Backpatch to 8.2.X.

Tags:
----
REL8_2_STABLE

Modified Files:
--------------
    pgsql/doc/src/sgml:
        Makefile (r1.81.2.1 -> r1.81.2.2)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/Makefile.diff?r1=1.81.2.1&r2=1.81.2.2)
        docguide.sgml (r1.59.2.1 -> r1.59.2.2)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/docguide.sgml.diff?r1=1.59.2.1&r2=1.59.2.2)
        stylesheet.dsl (r1.30.2.1 -> r1.30.2.2)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/stylesheet.dsl.diff?r1=1.30.2.1&r2=1.30.2.2)