Remove kde4.plasma-nm and its dependencies

- Already updated to KDE 5 in Nixpkgs
- Not useful without the KDE 4 desktop

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

@@ -1,31 +0,0 @@
-{ stdenv, fetchurl, cmake, pkgconfig, qt4, doxygen, modemmanager }:
-
-let
-  pname = "libmm-qt";
-  version = "1.0.1";
-  name = "${pname}-${version}";
-in
-stdenv.mkDerivation {
-  inherit name;
-
-  buildInputs = [
-    cmake
-    pkgconfig
-    qt4
-    doxygen
-  ];
-
-  propagatedBuildInputs = [ modemmanager ];
-
-  src = fetchurl {
-    url = "mirror://kde/unstable/modemmanager-qt/${version}/src/${name}-1.tar.xz";
-    sha256 = "0ad57815a904ddb2660a7327c0bda5da47a2a60ce57b2b12f4aaff99b174f74a";
-  };
-
-  meta = with stdenv.lib; {
-    homepage = "https://projects.kde.org/projects/extragear/libs/libmm-qt";
-    description = "Qt wrapper for ModemManager DBus API";
-    license = licenses.lgpl21;
-    platforms = platforms.linux;
-  };
-}

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

@@ -1,33 +0,0 @@
-{ stdenv, fetchurl, cmake, pkgconfig, qt4, networkmanager, libmm-qt }:
-
-let
-  pname = "libnm-qt";
-  version = "0.9.8.2";
-  name = "${pname}-${version}";
-in
-stdenv.mkDerivation {
-  inherit name;
-
-  buildInputs = [
-    cmake
-    pkgconfig
-    qt4
-    networkmanager
-  ];
-
-  cmakeFlags = [ "-DCMAKE_INSTALL_LIBDIR=lib" ];
-
-  propagatedBuildInputs = [ libmm-qt ];
-
-  src = fetchurl {
-    url = "mirror://kde/unstable/networkmanager-qt/${version}/src/${name}.tar.xz";
-    sha256 = "118fa4732536677f889b2776ec45bd0c726f26abcb8e8b6f8dfcaee265475f33";
-  };
-
-  meta = with stdenv.lib; {
-    homepage = "https://projects.kde.org/projects/extragear/libs/libnm-qt";
-    description = "Qt wrapper for NetworkManager DBus API";
-    license = licenses.lgpl21;
-    platforms = platforms.linux;
-  };
-}