Remove the cgi package from extralibs

It has some sort of Error Monad using the old Exception type.
I'm not familiar with it enough to know what the right thing to do
for it with extensible exceptions is.

libraries/Makefile

@@ -67,7 +67,6 @@ SUBDIRS += $(wildcard mtl)
 SUBDIRS += $(wildcard time)
 SUBDIRS += $(wildcard stm)
 SUBDIRS += $(wildcard xhtml)
-SUBDIRS += $(wildcard cgi)
 SUBDIRS += $(wildcard parallel)
 SUBDIRS_BUILD += $(wildcard dph/dph-base)
 SUBDIRS_BUILD += $(wildcard dph/dph-prim-interface)

packages

@@ -25,7 +25,6 @@ libraries/unix                          packages/unix
 libraries/Win32                         packages/Win32
 libraries/HUnit             extralibs   packages/HUnit
 libraries/QuickCheck        extralibs   packages/QuickCheck
-libraries/cgi               extralibs   packages/cgi
 libraries/haskell-src       extralibs   packages/haskell-src
 libraries/html              extralibs   packages/html
 libraries/mtl               extralibs   packages/mtl