Remove CVS $Header lines from a couple of regress test files that had

them --- it is just *way* too painful to keep expected results in sync
when these are present.

src/test/regress/expected/plpgsql.out

@@ -69,8 +69,6 @@ create unique index PHone_name on PHone using btree (slotname bpchar_ops);
 -- * Trigger procedures and functions for the patchfield
 -- * test of PL/pgSQL
 -- * 
--- * $Header: /cvsroot/pgsql/src/test/regress/expected/plpgsql.out,v 1.3 2000/01/09 03:48:37 tgl Exp $
--- * 
 -- ************************************************************
 -- ************************************************************
 -- * AFTER UPDATE on Room

src/test/regress/sql/drop.sql

 --
 -- drop.source
 --
--- $Header: /cvsroot/pgsql/src/test/regress/sql/drop.sql,v 1.2 1999/12/10 17:32:57 momjian Exp $
---
 
 --
 -- this will fail if the user is not the postgres superuser.

src/test/regress/sql/plpgsql.sql

@@ -100,8 +100,6 @@ create unique index PHone_name on PHone using btree (slotname bpchar_ops);
 -- * Trigger procedures and functions for the patchfield
 -- * test of PL/pgSQL
 -- * 
--- * $Header: /cvsroot/pgsql/src/test/regress/sql/plpgsql.sql,v 1.2 2000/01/06 06:41:55 thomas Exp $
--- * 
 -- ************************************************************