src/gen/db/dbconst.py: Remove constants that are duplicated in const.py. src/GrampsDb/_GrampsBSDDB.py: Use ENV_DIR from const.py. svn: r9601
src/gen/db/dbconst.py: Remove constants that are duplicated in const.py. src/GrampsDb/_GrampsBSDDB.py: Use ENV_DIR from const.py. svn: r9601