tkgate: drop (#408033)

Author: K900

pkgs/applications/science/electronics/tkgate/1.x.nix

@@ -1845,6 +1845,7 @@ mapAliases {
   timelens = throw "'timelens' has been removed due to lack of upstream maintenance"; # Added 2025-01-25
   tix = tclPackages.tix; # Added 2024-10-02
   tkcvs = tkrev; # Added 2022-03-07
+  tkgate = "'tkgate' has been removed as it is unmaintained"; # Added 2025-05-17
   tkimg = tclPackages.tkimg; # Added 2024-10-02
   todiff = "'todiff' was removed due to lack of known users"; # Added 2025-01-25
   toil = throw "toil was removed as it was broken and requires obsolete versions of libraries"; # Added 2024-09-22

pkgs/top-level/aliases.nix

@@ -4729,8 +4729,6 @@ with pkgs;
 
   tweet-hs = haskell.lib.compose.justStaticExecutables haskellPackages.tweet-hs;
 
-  tkgate = callPackage ../applications/science/electronics/tkgate/1.x.nix { };
-
   tremor-rs = callPackage ../tools/misc/tremor-rs { };
 
   tremor-language-server = callPackage ../tools/misc/tremor-rs/ls.nix { };