rx: drop

Broken since September 2025 (so it's broken on stable too).
No user complaints about this, which implies that this package has no users.

pkgs/by-name/rx/rx/package.nix

@@ -1,66 +0,0 @@
-{
-  lib,
-  stdenv,
-  rustPlatform,
-  fetchFromGitHub,
-  makeWrapper,
-  cmake,
-  pkg-config,
-  libxrandr,
-  libxi,
-  libxinerama,
-  libxext,
-  libxcursor,
-  libx11,
-  libGL ? null,
-}:
-
-rustPlatform.buildRustPackage (finalAttrs: {
-  pname = "rx";
-  version = "0.5.2";
-
-  src = fetchFromGitHub {
-    owner = "cloudhead";
-    repo = "rx";
-    rev = "v${finalAttrs.version}";
-    sha256 = "sha256-LTpaV/fgYUgA2M6Wz5qLHnTNywh13900g+umhgLvciM=";
-  };
-
-  cargoHash = "sha256-gRhjqQNL1Cu6/RpF2AeIGwbuDkFvyOf3gnpYt5Hlhfc=";
-
-  nativeBuildInputs = [
-    cmake
-    pkg-config
-    makeWrapper
-  ];
-
-  buildInputs = lib.optionals stdenv.hostPlatform.isLinux [
-    # glfw-sys dependencies:
-    libx11
-    libxrandr
-    libxinerama
-    libxcursor
-    libxi
-    libxext
-  ];
-
-  # FIXME: GLFW (X11) requires DISPLAY env variable for all tests
-  doCheck = false;
-
-  postInstall = lib.optionalString stdenv.hostPlatform.isLinux ''
-    mkdir -p $out/share/applications
-    cp $src/rx.desktop $out/share/applications
-    wrapProgram $out/bin/rx --prefix LD_LIBRARY_PATH : ${libGL}/lib
-  '';
-
-  meta = {
-    description = "Modern and extensible pixel editor implemented in Rust";
-    mainProgram = "rx";
-    homepage = "https://rx.cloudhead.io/";
-    license = lib.licenses.gpl3;
-    maintainers = with lib.maintainers; [
-      minijackson
-    ];
-    platforms = [ "x86_64-linux" ];
-  };
-})

pkgs/top-level/aliases.nix

@@ -1777,6 +1777,7 @@ mapAliases {
   rust-synapse-state-compress = throw "'rust-synapse-state-compress' has been renamed to/replaced by 'rust-synapse-compress-state'"; # Converted to throw 2025-10-27
   rustc-wasm32 = throw "'rustc-wasm32' has been renamed to/replaced by 'rustc'"; # Converted to throw 2025-10-27
   rustic-rs = throw "'rustic-rs' has been renamed to/replaced by 'rustic'"; # Converted to throw 2025-10-27
+  rx = throw "'rx' has been dropped due to being broken since September 2025, with no complaints by any users of the package."; # Added 2026-04-05
   ryujinx = throw "'ryujinx' has been replaced by 'ryubing' as the new upstream"; # Added 2025-07-30
   ryujinx-greemdev = throw "'ryujinx-greemdev' has been renamed to/replaced by 'ryubing'"; # Converted to throw 2025-10-27
   scantailor = throw "'scantailor' has been renamed to/replaced by 'scantailor-advanced'"; # Converted to throw 2025-10-27