treewide: use kde mirror everywhere, don't use pname in download urls

pkgs/applications/audio/kid3/default.nix

···
   version = "3.9.4";
 
   src = fetchurl {
-    url = "https://download.kde.org/stable/kid3/${finalAttrs.version}/kid3-${finalAttrs.version}.tar.xz";
+    url = "mirror://kde/stable/kid3/${finalAttrs.version}/kid3-${finalAttrs.version}.tar.xz";
     hash = "sha256-xBCWDpYiXeChxIiMPqHG3CyiRau2kUdDJtzcPtvWpSA=";
   };
 

pkgs/applications/graphics/krita/default.nix

···
-{ callPackage, ... } @ args:
+{ callPackage, ... }:
 
-callPackage ./generic.nix (args // {
+callPackage ./generic.nix {
   version = "5.1.5";
   kde-channel = "stable";
   sha256 = "1lx4x4affkbh47b7w5qvahkkr4db0vcw6h24nykak6gpy2z5wxqw";
-})
+}

pkgs/applications/graphics/krita/generic.nix

···
 , version
 , kde-channel
 , sha256
-, callPackage
 }:
 
 mkDerivation rec {
···
   inherit version;
 
   src = fetchurl {
-    url = "https://download.kde.org/${kde-channel}/${pname}/${version}/${pname}-${version}.tar.gz";
+    url = "mirror://kde/${kde-channel}/krita/${version}/krita-${version}.tar.gz";
     inherit sha256;
   };
 

pkgs/applications/office/skrooge/default.nix

···
   version = "2.28.0";
 
   src = fetchurl {
-    url = "https://download.kde.org/stable/skrooge/${pname}-${version}.tar.xz";
+    url = "mirror://kde/stable/skrooge/skrooge-${version}.tar.xz";
     sha256 = "sha256-s2SkGMBx7HVpr1NBUJpqji3PTPnw4RqnkakdQVC5ric=";
   };
 

pkgs/applications/science/math/labplot/default.nix

···
   version = "2.10.1";
 
   src = fetchurl {
-    url = "https://download.kde.org/stable/labplot/labplot-${version}.tar.xz";
+    url = "mirror://kde/stable/labplot/labplot-${version}.tar.xz";
     sha256 = "sha256-K24YFRfPtuDf/3uJXz6yDHzjWeZzLThUXgdXya6i2u8=";
   };
 

pkgs/development/libraries/futuresql/default.nix

···
   version = "0.1.1";
 
   src = fetchurl {
-    url = "https://download.kde.org/stable/${pname}/${pname}-${version}.tar.xz";
+    url = "mirror://kde/stable/futuresql/futuresql-${version}.tar.xz";
     hash = "sha256-5E7Y1alhizynuimD7ZxfdXLm4KWxmflIaINLccy+vUM=";
   };
 

pkgs/development/libraries/kpeoplevcard/default.nix

···
   version = "0.1";
 
   src = fetchurl {
-    url = "https://download.kde.org/stable/${finalAttrs.pname}/${finalAttrs.version}/${finalAttrs.pname}-${finalAttrs.version}.tar.xz";
+    url = "mirror://kde/stable/kpeoplevcard/${finalAttrs.version}/kpeoplevcard-${finalAttrs.version}.tar.xz";
     sha256 = "1hv3fq5k0pps1wdvq9r1zjnr0nxf8qc3vwsnzh9jpvdy79ddzrcd";
   };
 

pkgs/games/gcompris/default.nix

···
   version = "3.3";
 
   src = fetchurl {
-    url = "https://download.kde.org/stable/gcompris/qt/src/gcompris-qt-${version}.tar.xz";
+    url = "mirror://kde/stable/gcompris/qt/src/gcompris-qt-${version}.tar.xz";
     hash = "sha256-8hqiq1wYw4irbOXCrwcJqTMuLISzSmSqPuw2Rn8XzQA=";
   };
 

pkgs/tools/text/kdiff3/default.nix

···
   version = "1.10.6";
 
   src = fetchurl {
-    url = "https://download.kde.org/stable/${pname}/${pname}-${version}.tar.xz";
+    url = "mirror://kde/stable/kdiff3/kdiff3-${version}.tar.xz";
     hash = "sha256-EzOu+dZjbGs0ZqF/0sXZbpGdTrUh6isjUoJUETau+zE=";
   };