[get rid of superfluous Ord superclass on IntMap instance
John Meacham <john@repetae.net>**20061121013533] hunk ./Util/SetLike.hs 101
-instance Ord a => SetLike (IM.IntMap a) where    -- SIC
+instance SetLike (IM.IntMap a) where    -- SIC
hunk ./Util/SetLike.hs 106
-instance Ord a => BuildSet (Int,a) (IM.IntMap a) where
+instance BuildSet (Int,a) (IM.IntMap a) where
hunk ./Util/SetLike.hs 142
-instance Ord a => MapLike Int a (IM.IntMap a) where
+instance MapLike Int a (IM.IntMap a) where