tcl-8_5: Remove

Tcl 8.5 is end-of-life, and after the preceding commits nothing in the
tree asks for it.

Assisted-by: Claude Code (Claude Opus 5)

pkgs/development/interpreters/tcl/8.5.nix

@@ -1,20 +0,0 @@
-{ callPackage, fetchurl, ... }@args:
-
-callPackage ./generic.nix (
-  args
-  // rec {
-    release = "8.5";
-    version = "${release}.19";
-
-    # Note: when updating, the hash in pkgs/development/libraries/tk/8.5.nix must also be updated!
-
-    src = fetchurl {
-      url = "mirror://sourceforge/tcl/tcl${version}-src.tar.gz";
-      sha256 = "066vlr9k5f44w9gl9382hlxnryq00d5p6c7w5vq1fgc7v9b49w6k";
-    };
-
-    extraPatch = ''
-      substituteInPlace 'generic/tclInt.h' --replace-fail 'typedef int ptrdiff_t;' ""
-    '';
-  }
-)

pkgs/top-level/aliases.nix

@@ -2395,6 +2395,7 @@ mapAliases {
   tbb_2020 = throw "tbb_2020 has been removed because it is unmaintained upstream and had no remaining users; use onetbb"; # Added 2025-09-14
   tbb_2021 = throw "tbb_2021 has been removed because it is unmaintained upstream and had no remaining users; use onetbb"; # Added 2025-09-13
   tbb_2022 = onetbb; # Added 2025-09-14
+  tcl-8_5 = throw "'tcl-8_5' has been removed, as Tcl 8.5 is end-of-life and nothing needed it any more"; # Added 2026-08-22
   tcl-fcgi = throw "'tcl-fcgi' has been renamed to/replaced by 'tclPackages.tcl-fcgi'"; # Converted to throw 2025-10-27
   tclcurl = throw "'tclcurl' has been renamed to/replaced by 'tclPackages.tclcurl'"; # Converted to throw 2025-10-27
   tcllib = throw "'tcllib' has been renamed to/replaced by 'tclPackages.tcllib'"; # Converted to throw 2025-10-27

pkgs/top-level/all-packages.nix

@@ -4628,7 +4628,6 @@ with pkgs;
   };
 
   tcl = tcl-8_6;
-  tcl-8_5 = callPackage ../development/interpreters/tcl/8.5.nix { };
   tcl-8_6 = callPackage ../development/interpreters/tcl/8.6.nix { };
   tcl-9_0 = callPackage ../development/interpreters/tcl/9.0.nix { };