gmic-qt-krita: drop

Doesn't actually build, was removed upstream.

pkgs/tools/graphics/gmic-qt/default.nix

@@ -14,7 +14,6 @@
 , libtiff
 , libpng
 , curl
-, krita ? null
 , gimp ? null
 , gmic
 , cimg
@@ -38,13 +37,6 @@ let
       description = "GIMP plugin for the G'MIC image processing framework";
     };
 
-    krita = {
-      extraDeps = [
-        krita
-      ];
-      description = "Krita plugin for the G'MIC image processing framework";
-    };
-
     standalone = {
       description = "Versatile front-end to the image processing framework G'MIC";
     };

pkgs/top-level/aliases.nix

@@ -528,7 +528,7 @@ mapAliases ({
   glib_networking = throw "'glib_networking' has been renamed to/replaced by 'glib-networking'"; # Converted to throw 2022-02-22
   glimpse = throw "glimpse was removed, as the project was discontinued. You can use gimp instead."; # Added 2022-07-11
   gmailieer = lieer; # Added 2020-04-19
-  gmic_krita_qt = gmic-qt-krita; # Added 2019-09-07
+  gmic-qt-krita = throw "gmic-qt-krita was removed as it's no longer supported upstream."; # Converted to throw 2023-02-02
   gmvault = throw "gmvault has been removed because it is unmaintained, mostly broken, and insecure"; # Added 2021-03-08
   gnash = throw "gnash has been removed; broken and abandoned upstream"; # added 2022-02-06
   gnome-breeze = throw "gnome-breeze has been removed, use libsForQt5.breeze-gtk instead"; # Added 2022-04-22

pkgs/top-level/all-packages.nix

@@ -4794,12 +4794,6 @@ with pkgs;
 
   gmic-qt = libsForQt5.callPackage ../tools/graphics/gmic-qt { };
 
-  # NOTE: If overriding qt version, krita needs to use the same qt version as
-  # well.
-  gmic-qt-krita = gmic-qt.override {
-    variant = "krita";
-  };
-
   gpg-tui = callPackage ../tools/security/gpg-tui {
     inherit (darwin.apple_sdk.frameworks) AppKit Foundation;
     inherit (darwin) libobjc libresolv;