polychromatic: migrate to by-name

pkgs/by-name/po/polychromatic/package.nix

@@ -10,7 +10,7 @@
   wrapGAppsHook3,
   libayatana-appindicator,
   libxcb,
-  qt6,
+  qt6Packages,
   ibus,
   usbutils,
   psmisc,
@@ -48,11 +48,11 @@ python3Packages.buildPythonApplication rec {
     ninja
     sassc
     wrapGAppsHook3
-    qt6.wrapQtAppsHook
-    qt6.qtbase
+    qt6Packages.wrapQtAppsHook
+    qt6Packages.qtbase
   ];
 
-  buildInputs = [ qt6.qtwayland ];
+  buildInputs = [ qt6Packages.qtwayland ];
 
   propagatedBuildInputs =
     with python3Packages;

pkgs/top-level/all-packages.nix

@@ -9758,8 +9758,6 @@ with pkgs;
 
   papis = with python3Packages; toPythonApplication papis;
 
-  polychromatic = qt6Packages.callPackage ../applications/misc/polychromatic { };
-
   scheherazade-new = scheherazade.override {
     version = "4.400";
   };