{qt5,qt6}: remove overrideScope' errors

Scheduled for removal for 24.11.

pkgs/development/libraries/qt-6/default.nix

···
             };
           } ./hooks/qmake-hook.sh)
         { };
-    } // lib.optionalAttrs config.allowAliases {
-      # Remove completely before 24.11
-      overrideScope' = builtins.throw "qt6 now uses makeScopeWithSplicing which does not have \"overrideScope'\", use \"overrideScope\".";
     };
 
   baseScope = makeScopeWithSplicing' {

pkgs/top-level/qt5-packages.nix

···
     };
   in (lib.makeOverridable mkMaui attrs);
 
-  noExtraAttrs = set: lib.attrsets.removeAttrs set [ "extend" "override" "overrideScope" "overrideScope'" "overrideDerivation" ];
+  noExtraAttrs = set: lib.attrsets.removeAttrs set [ "extend" "override" "overrideScope" "overrideDerivation" ];
 
 in (noExtraAttrs (kdeFrameworks // plasmaMobileGear // plasma5 // plasma5.thirdParty // kdeGear // mauiPackages // qt5 // {
 
···
   xwaylandvideobridge = callPackage ../tools/wayland/xwaylandvideobridge { };
 
   yuview = callPackage ../applications/video/yuview { };
-}) // lib.optionalAttrs pkgs.config.allowAliases {
-  # Remove completely before 24.11
-  overrideScope' = builtins.throw "libsForQt5 now uses makeScopeWithSplicing which does not have \"overrideScope'\", use \"overrideScope\".";
-}));
+})));
 }

pkgs/top-level/qt6-packages.nix

···
   otherSplices = generateSplicesForMkScope "qt6Packages";
   f = (self: let
     inherit (self) callPackage;
-    noExtraAttrs = set: lib.attrsets.removeAttrs set [ "extend" "override" "overrideScope" "overrideScope'" "overrideDerivation" ];
+    noExtraAttrs = set: lib.attrsets.removeAttrs set [ "extend" "override" "overrideScope" "overrideDerivation" ];
   in (noExtraAttrs qt6) // {
   inherit stdenv;
 
···
   wayqt = callPackage ../development/libraries/wayqt { };
 
   xwaylandvideobridge = kdePackages.callPackage ../tools/wayland/xwaylandvideobridge { };
-  } // lib.optionalAttrs pkgs.config.allowAliases {
-    # Remove completely before 24.11
-    overrideScope' = builtins.throw "qt6Packages now uses makeScopeWithSplicing which does not have \"overrideScope'\", use \"overrideScope\".";
   });
 }