wrapQtAppsHook: Remove ad hoc Qt wrappers

pkgs/applications/video/minitube/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, makeWrapper, phonon, phonon-backend-vlc, qtbase, qmake
+{ stdenv, fetchFromGitHub, wrapQtAppsHook, phonon, phonon-backend-vlc, qtbase, qmake
 , qtdeclarative, qttools
 
 # "Free" key generated by nckx <github@tobias.gr>. I no longer have a Google
@@ -17,17 +17,12 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [ phonon phonon-backend-vlc qtbase qtdeclarative qttools ];
-  nativeBuildInputs = [ makeWrapper qmake ];
+  nativeBuildInputs = [ wrapQtAppsHook qmake ];
 
   qmakeFlags = [ "DEFINES+=APP_GOOGLE_API_KEY=${withAPIKey}" ];
 
   enableParallelBuilding = true;
 
-  postInstall = ''
-    wrapProgram $out/bin/minitube \
-      --prefix QT_PLUGIN_PATH : "${phonon-backend-vlc}/lib/qt-5.${stdenv.lib.versions.minor qtbase.version}/plugins"
-  '';
-
   meta = with stdenv.lib; {
     description = "Stand-alone YouTube video player";
     longDescription = ''