refactor: remove darkman

overlays/darkman/default.nix

@@ -1,53 +0,0 @@
-{
-  lib,
-  scdoc,
-  buildGoModule,
-  fetchFromGitLab,
-  hidapi,
-  udev,
-}:
-buildGoModule rec {
-  pname = "darkman";
-  version = "1.5.4";
-
-  src = fetchFromGitLab {
-    owner = "WhyNotHugo";
-    repo = "darkman";
-    rev = "5332193777fb0c5dbde6cbfd015a16697d6a0c8e";
-    hash = "sha256-3TGDy7hiI+z0IrA+d/Q+rMFlew6gipdpXyJ5eVLCmds=";
-  };
-
-  vendorHash = "sha256-xEPmNnaDwFU4l2G4cMvtNeQ9KneF5g9ViQSFrDkrafY=";
-
-  nativeBuildInputs = [ scdoc ];
-
-  postPatch = ''
-    substituteInPlace darkman.service \
-      --replace "/usr/bin/darkman" "$out/bin/darkman"
-    substituteInPlace contrib/dbus/nl.whynothugo.darkman.service \
-      --replace "/usr/bin/darkman" "$out/bin/darkman"
-    substituteInPlace contrib/dbus/org.freedesktop.impl.portal.desktop.darkman.service \
-      --replace "/usr/bin/darkman" "$out/bin/darkman"
-  '';
-
-  buildPhase = ''
-    runHook preBuild
-    make build
-    runHook postBuild
-  '';
-
-  installPhase = ''
-    runHook preInstall
-    make PREFIX=$out install
-    runHook postInstall
-  '';
-
-  meta = with lib; {
-    description = "Framework for dark-mode and light-mode transitions on Linux desktop";
-    homepage = "https://gitlab.com/WhyNotHugo/darkman";
-    license = licenses.isc;
-    maintainers = [ maintainers.ajgrf ];
-    platforms = platforms.linux;
-    mainProgram = "darkman";
-  };
-}