We no longer need to build utf8-string

haskeline no longer depends on it

ghc.mk

@@ -310,7 +310,7 @@ endif
 # They do not say "this package will be built"; see $(PACKAGES_xx) for that
 
 # Packages that are built but not installed
-PKGS_THAT_ARE_INTREE_ONLY := haskeline transformers terminfo utf8-string xhtml
+PKGS_THAT_ARE_INTREE_ONLY := haskeline transformers terminfo xhtml
 
 PKGS_THAT_ARE_DPH := \
     dph/dph-base \
@@ -424,7 +424,6 @@ $(eval $(call addPackage,binary))
 $(eval $(call addPackage,bin-package-db))
 $(eval $(call addPackage,hoopl))
 $(eval $(call addPackage,transformers))
-$(eval $(call addPackage,utf8-string))
 $(eval $(call addPackage,xhtml))
 $(eval $(call addPackage,terminfo,($$(Windows),NO)))
 $(eval $(call addPackage,haskeline))

packages

@@ -71,7 +71,6 @@ libraries/template-haskell      -           packages/template-haskell.git
 libraries/terminfo              -           packages/terminfo.git               git
 libraries/transformers          -           packages/transformers.git           git
 libraries/unix                  -           packages/unix.git                   git
-libraries/utf8-string           -           packages/utf8-string.git            git
 libraries/Win32                 -           packages/Win32.git                  git
 libraries/xhtml                 -           packages/xhtml.git                  git
 testsuite                       testsuite   testsuite.git                       git