remove orphan instances from deprecated Control.Monad.Trans.Error (resolves #2)
drwxr-xr-x - Control
drwxr-xr-x - Data
-rw-r--r-- 1607 LICENSE
-rw-r--r-- 46 Setup.hs
-rw-r--r-- 2694 changelog
drwxr-xr-x - oldsrc
-rw-r--r-- 2838 transformers.cabal