gnu: Cleanup KDE packages to use the update qt-build-system.

* gnu/packages/kde.scm (grantleetheme): [arguments] Remove.
  (kdeconnect)[arguments]<phases>{check-setup}: Remove.
  libkdegames: Use qt-build-system. [arguments]: Remove.
* gnu/packages/kde-frameworks.scm (kguiaddons, kitemmodels,
  kitemviews, kplotting, sonnet, kcompletion, kcrash, kdesignerplugin,
  kglobalaccel, kparts, ktextwidgets, khtml, kmediaplayer): Use
  qt-build-system. [arguments]: Remove.
  (kpeople): Use qt-build-system. [arguments]<phases>: Remove.
  (kconfigwidgets, kwidgetsaddons) Use qt-build-system.
  [arguments]<phases>{check-setup}: Remove.
* gnu/packages/kde-plasma.scm (kdecoration) Use qt-build-system.
  [arguments]: Remove.
  (libkscreen): Use qt-build-system. [arguments]<phases>: Remove.
  (libksysguard): Use qt-build-system.
  [arguments]<phases>{check-setup}: Remove.
* gnu/packages/kde-utils.scm (kronometer, rsibreak): [arguments]
  Remove.

1 files changed, 2 insertions, 23 deletions

diff --git a/gnu/packages/kde.scm b/gnu/packages/kde.scm
index bb5c25014e..0c62fd9dba 100644
--- a/gnu/packages/kde.scm
+++ b/gnu/packages/kde.scm
@@ -89,13 +89,6 @@
        ("kiconthemes" ,kiconthemes)
        ("knewstuff" ,knewstuff)
        ("qtbase" ,qtbase)))
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-before 'check 'check-setup
-           (lambda _
-             (setenv "QT_QPA_PLATFORM" "offscreen")
-             #t)))))
     (home-page "https://cgit.kde.org/grantleetheme.git")
     (synopsis "Library providing Grantlee theme support")
     (description "This library provides Grantlee theme support.")
@@ -521,13 +514,7 @@ different notification systems.")
     (build-system qt-build-system)
     (arguments
      `(#:configure-flags '("-DBUILD_TESTING=ON")
-       #:tests? #f ; tests fail hard in our build environment
-       #:phases
-       (modify-phases %standard-phases
-         (add-before 'check 'check-setup
-           (lambda _
-             (setenv "QT_QPA_PLATFORM" "offscreen")
-             #t)))))
+       #:tests? #f)) ; tests fail hard in our build environment
     (native-inputs
      `(("extra-cmake-modules" ,extra-cmake-modules)
        ("kdoctools" ,kdoctools)
@@ -644,7 +631,7 @@ Python, PHP, and Perl.")
                           "/src/libkdegames-" version ".tar.xz"))
       (sha256
        (base32 "12dvkmjgbi8dp9y55zmx1pw3zr2i374c4vn3mfn9r31bf06dr701"))))
-    (build-system cmake-build-system)
+    (build-system qt-build-system)
     (native-inputs
      `(("extra-cmake-modules" ,extra-cmake-modules)))
     (inputs
@@ -674,14 +661,6 @@ Python, PHP, and Perl.")
        ("qtbase" ,qtbase)
        ("qtdeclarative" ,qtdeclarative)
        ("qtsvg" ,qtsvg)))
-    (arguments
-     `(#:phases
-       (modify-phases %standard-phases
-         (add-before 'check 'check-setup
-           (lambda _
-             ;; make Qt render "offscreen", required for tests
-             (setenv "QT_QPA_PLATFORM" "offscreen")
-             #t)))))
     (home-page "https://games.kde.org/")
     (synopsis "Runtime library for kdegames")
     (description "Runtime library for kdegames")