Remove unused argument to ha_berkeley::remove_key().


mysql-test/r/bdb.result:
  Add test case for update/replace bug in bdb.
BitKeeper/etc/ignore:
  Added .gdbinit .vimrc to the ignore list
mysql-test/t/bdb.test:
  Add test case for update/replace bug in bdb.
sql/ha_berkeley.cc:
  The packed_record argument to ha_berkeley::remove_key() was never
  used; remove it.
sql/ha_berkeley.h:
  The packed_record argument to ha_berkeley::remove_key() was never
  used; remove it.