pgsql: Remove: < < o Prevent conflicting SET options from being set <

Log Message:
-----------
Remove:

<
< o Prevent conflicting SET options from being set
<
< This requires a checking function to be called after the server
< configuration file is read.

Modified Files:
--------------
pgsql/doc:
TODO (r1.1466 -> r1.1467)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1466&amp;r2=1.1467)