remove AltData.* from exposed-modules in plugins.cabal.hsx; remove a comment that talks about AltData

plugins.cabal.hsx

@@ -5,8 +5,6 @@ License-file:   LICENSE
 author:         Don Stewart
 maintainer:     dons@cse.unsw.edu.au
 exposed-modules:
-        AltData.Dynamic,
-        AltData.Typeable,
         Language.Hi.Binary,
         Language.Hi.FastMutInt,
         Language.Hi.FastString,

src/System/Eval/Haskell.hs

@@ -228,11 +228,6 @@ typeOf src mods = do
     makeCleaner tmpf
     return ty
 
---
--- note that the wrapper uses our altdata library for dynamic typing.
--- hence it needs to see the path to the altdata package. grr. is it
--- installed or not? what path does it have?
---
 dynwrap :: String -> String -> [Import] -> String
 dynwrap expr nm mods =
         "module "++nm++ "( resource ) where\n" ++