canta-theme: remove

Depends on gtk-engine-murrine, which is being removed from nixpkgs.

pkgs/by-name/ca/canta-theme/package.nix

@@ -1,65 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchFromGitHub,
-  gdk-pixbuf,
-  librsvg,
-  gtk-engine-murrine,
-  gtk3,
-  adwaita-icon-theme,
-  numix-icon-theme-circle,
-  hicolor-icon-theme,
-}:
-
-stdenv.mkDerivation (finalAttrs: {
-  pname = "canta-theme";
-  version = "2021-09-08";
-
-  src = fetchFromGitHub {
-    owner = "vinceliuice";
-    repo = "canta-theme";
-    tag = finalAttrs.version;
-    sha256 = "05h42nrggb6znzjcbh4lqqfcm41h4r85n3vwimp3l4lq5p90igr2";
-  };
-
-  nativeBuildInputs = [
-    gtk3
-  ];
-
-  buildInputs = [
-    gdk-pixbuf
-    librsvg
-  ];
-
-  propagatedBuildInputs = [
-    adwaita-icon-theme
-    numix-icon-theme-circle
-    hicolor-icon-theme
-  ];
-
-  propagatedUserEnvPkgs = [
-    gtk-engine-murrine
-  ];
-
-  dontDropIconThemeCache = true;
-  dontWrapQtApps = true;
-
-  installPhase = ''
-    patchShebangs .
-    mkdir -p $out/share/themes
-    name= ./install.sh --dest $out/share/themes
-    rm $out/share/themes/*/{AUTHORS,COPYING}
-    install -D -t $out/share/backgrounds wallpaper/canta-wallpaper.svg
-    mkdir -p $out/share/icons
-    cp -a icons/Canta $out/share/icons
-    gtk-update-icon-cache $out/share/icons/Canta
-  '';
-
-  meta = {
-    description = "Flat Design theme for GTK based desktop environments";
-    homepage = "https://github.com/vinceliuice/Canta-theme";
-    license = lib.licenses.gpl2Only;
-    platforms = lib.platforms.linux; # numix-icon-theme-circle unavailable in darwin
-    maintainers = [ lib.maintainers.romildo ];
-  };
-})

pkgs/top-level/aliases.nix

@@ -457,6 +457,7 @@ mapAliases {
   calligra = throw "'calligra' has been renamed to/replaced by 'kdePackages.calligra'"; # Converted to throw 2025-10-27
   callPackage_i686 = throw "'callPackage_i686' has been renamed to/replaced by 'pkgsi686Linux.callPackage'"; # Converted to throw 2025-10-27
   canonicalize-jars-hook = throw "'canonicalize-jars-hook' has been renamed to/replaced by 'stripJavaArchivesHook'"; # Converted to throw 2025-10-27
+  canta-theme = throw "'canta-theme' has been removed because it depended on 'gtk-engine-murrine', which was removed because it was unmaintained upstream and depended on GTK 2."; # Added 2026-07-22
   cardboard = throw "cardboard has been removed because it has been marked as broken since at least November 2024."; # Added 2025-09-28
   cargo-espflash = throw "'cargo-espflash' has been renamed to/replaced by 'espflash'"; # Converted to throw 2025-10-27
   cargo-raze = throw "'cargo-raze' has been removed, as it is unmaintained"; # Added 2026-05-04