pgsql: This patch removes some old code from libpq that implements a

Log Message:
-----------
This patch removes some old code from libpq that implements a URI-like
syntax for database connection parameters. It has been inside an
#ifdef NOT_USED block since 2001 or so and is marked as "broken", so
I don't think it is likely to be rehabilitated any time soon.

Modified Files:
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pgsql/src/interfaces/libpq:
fe-connect.c (r1.310 -> r1.311)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/fe-connect.c.diff?r1=1.310&r2=1.311)