manta: drop

manta depends on Python 2.6+, and does not support Python 3.
Upstream archived development on Jul 17 2023.

Author: bengsparks

pkgs/by-name/ma/manta/package.nix

@@ -939,6 +939,7 @@ mapAliases {
   mariadb-client = hiPrio mariadb.client; #added 2019.07.28
   maligned = throw "maligned was deprecated upstream in favor of x/tools/go/analysis/passes/fieldalignment"; # Added 20204-08-24
   manicode = throw "manicode has been renamed to codebuff"; # Added 2024-12-10
+  manta = throw "manta does not support python3, and development has been abandoned upstream"; # Added 2025-03-17
   marwaita-manjaro = lib.warnOnInstantiate "marwaita-manjaro has been renamed to marwaita-teal" marwaita-teal; # Added 2024-07-08
   marwaita-peppermint = lib.warnOnInstantiate "marwaita-peppermint has been renamed to marwaita-red" marwaita-red; # Added 2024-07-01
   marwaita-ubuntu = lib.warnOnInstantiate "marwaita-ubuntu has been renamed to marwaita-orange" marwaita-orange; # Added 2024-07-08