SDL2{,_classic}_mixer_2_0: drop

Author: marcin-serwin

pkgs/by-name/sd/SDL2_classic_mixer_2_0/package.nix

@@ -1655,6 +1655,8 @@ mapAliases {
   SDL1 = throw "'SDL1' has been removed as development ended long ago with SDL 2.0 replacing it, use SDL_compat instead"; # Added 2025-03-27
   SDL_gpu = throw "'SDL_gpu' has been removed due to lack of upstream maintenance and known users"; # Added 2025-03-15
   SDL_image_2_0 = throw "'SDL_image_2_0' has been removed in favor of the latest version"; # Added 2025-04-20
+  SDL2_mixer_2_0 = throw "'SDL2_mixer_2_0' has been removed in favor of the latest version"; # Added 2025-04-27
+  SDL2_classic_mixer_2_0 = throw "'SDL2_classic_mixer_2_0' has been removed in favor of the latest version"; # Added 2025-04-27
   s2n = throw "'s2n' has been renamed to/replaced by 's2n-tls'"; # Converted to throw 2024-10-17
   sandboxfs = throw "'sandboxfs' has been removed due to being unmaintained, consider using linux namespaces for sandboxing instead"; # Added 2024-06-06
   sane-backends-git = throw "'sane-backends-git' has been renamed to/replaced by 'sane-backends'"; # Converted to throw 2024-10-17