get rid of superfluous Ord superclass on IntMap instance
get rid of superfluous Ord superclass on IntMap instance

darcs-hash:20061121013533-1a7c6-2afe083c07788e3821286e77c599f66a530d5a1c

jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc