caribou: drop gtk2 module

pkgs/by-name/ca/caribou/package.nix

@@ -13,7 +13,6 @@
   libxml2,
   libxklavier,
   libxtst,
-  gtk2,
   intltool,
   libxslt,
   at-spi2-core,
@@ -82,7 +81,6 @@ stdenv.mkDerivation (finalAttrs: {
     pythonEnv
     python3.pkgs.pygobject3
     libxtst
-    gtk2
   ];
 
   propagatedBuildInputs = [
@@ -90,6 +88,8 @@ stdenv.mkDerivation (finalAttrs: {
     libxklavier
   ];
 
+  configureFlags = [ "--enable-gtk2-module=no" ];
+
   postPatch = ''
     patchShebangs .
     substituteInPlace libcaribou/Makefile.am --replace "--shared-library=libcaribou.so.0" "--shared-library=$out/lib/libcaribou.so.0"