gtk: disable gtk3 nocsd, it causes lots of crashes due to LD_PRELOAD

pkgs/default.nix

@@ -6,5 +6,4 @@
   cargo-checkmate = pkgs.callPackage ./cargo-checkmate.nix { };
   lipsum = pkgs.callPackage ./lipsum.nix { inherit inputs; };
   amdgpu-kernel-module = pkgs.callPackage ./amdgpu-kernel-module.nix { };
-  gtk3-nocsd = pkgs.callPackage ./gtk3-nocsd.nix { };
 }

pkgs/gtk3-nocsd.nix

@@ -1,40 +0,0 @@
-{ lib
-, stdenv
-, fetchFromGitHub
-, pkgconfig
-, gtk3
-, gobject-introspection
-}:
-
-stdenv.mkDerivation rec {
-  pname = "gtk3-nocsd";
-  version = "3.0.1";
-
-  src = fetchFromGitHub {
-    owner = "ZaWertun";
-    repo = pname;
-    rev = "v${version}";
-    sha256 = "035rrn9jq9bdfkmmj6xl4q8paqx7xf3hxsw6gslgk86sh7x56lvi";
-  };
-
-  buildInputs = [
-    gtk3
-    gobject-introspection
-  ];
-
-  nativeBuildInputs = [
-    pkgconfig
-  ];
-
-  makeFlags = [
-    "prefix=${placeholder "out"}"
-  ];
-
-  meta = with lib; {
-    description = "A hack to disable gtk+ 3 client side decoration";
-    homepage = https://github.com/PCMan/gtk3-nocsd;
-    license = licenses.lgpl21Plus;
-    # maintainers = with maintainers; [ peanutbutter144 ];
-    platforms = platforms.linux;
-  };
-}

user/sway/default.nix

@@ -124,9 +124,5 @@ in
 
       mpvpaper
     ];
-    home.sessionVariables = {
-      LD_PRELOAD = "${pkgs.gtk3-nocsd}/lib/libgtk3-nocsd.so.0";
-      GTK_CSD = "0";
-    };
   };
 }