fix gi-gdk by removing unnecessary dependency

ajatt/packages/haskell.scm

@@ -911,8 +911,8 @@
      ghc-gi-gio
      ghc-gi-gdkpixbuf
      ghc-gi-gobject
+     ghc-gi-gsk
      ghc-gi-glib
-     ghc-gi-gdk
      ghc-transformers
      ghc-bytestring-builder
      gobject-introspection
@@ -991,7 +991,6 @@
      ghc-bytestring-builder
      gobject-introspection
      ghc-gi-graphene
-     ghc-gi-gsk
      gtk))
    (native-inputs
     (list pkg-config
@@ -1332,5 +1331,4 @@
 
 
 
-ghc-gi-gtksource
-
+ghc-gi-gdk