Revert documentation patch about NEW/OLD and triggers.

Backpatch to 9.0 and 9.1.

Patch from Josh Kupershmidt.

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/8eacb25cbe9100b9cf441d4cbca4cec8fa5e3f52

Modified Files
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doc/src/sgml/plpgsql.sgml |    8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)

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