Removal of PGPASSWORDFILE in beta

I have removed PGPASSWORDFILE in CVS and therefore in beta2.

It was decided that $HOME/.pgpass should always be tested, rather than
have an environment variable for it.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
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