Revert "sxmo-utils: define a hooks passthru package"

This reverts commit 3f9261d765.

we achieve hooks at the service layer now.

pkgs/additional/sxmo-utils/default.nix

@@ -1,5 +1,4 @@
 { stdenv
-, callPackage
 , fetchgit
 , gitUpdater
 , lib
@@ -37,7 +36,6 @@ stdenv.mkDerivation rec {
   passthru = {
     providedSessions = [ "sxmo" "swmo" ];
     updateScript = gitUpdater { };
-    hooks = callPackage ./hooks.nix { };
   };
 
   meta = {

pkgs/additional/sxmo-utils/hooks.nix

@@ -1,12 +0,0 @@
-{ stdenv
-, sxmo-utils
-}:
-stdenv.mkDerivation rec {
-  pname = "sxmo-utils-default-hooks";
-  inherit (sxmo-utils) version;
-
-  installPhase = ''
-    mkdir -p $out
-    ln -s ${sxmo-utils}/share/sxmo/default_hooks $out/bin
-  '';
-}