autotests: Remove old kernel checks

CI runners have been upgraded.

autotests/drm/drmTest.cpp

@@ -62,7 +62,6 @@ class DrmTest : public QObject
 {
     Q_OBJECT
 private Q_SLOTS:
-    void initTestCase();
     void testAmsDetection();
     void testOutputDetection();
     void testZeroModesHandling();
@@ -73,27 +72,6 @@ private Q_SLOTS:
     void testModeset();
 };
 
-static Version getKernelVersion()
-{
-    struct utsname name;
-    uname(&name);
-
-    if (qstrcmp(name.sysname, "Linux") == 0) {
-        return Version::parseString(name.release);
-    }
-    return Version(0, 0, 0);
-}
-
-void DrmTest::initTestCase()
-{
-    // TODO: Remove this when CI is updated to ubuntu 22.04 or something with a newer kernel.
-    const Version kernelVersion = getKernelVersion();
-    if (kernelVersion.majorVersion() == 5 && kernelVersion.minorVersion() <= 4) {
-        QSKIP("drmPrimeFDToHandle() randomly fails");
-        return;
-    }
-}
-
 static void verifyCleanup(MockGpu *mockGpu)
 {
     QVERIFY(mockGpu->drmConnectors.isEmpty());

autotests/integration/screencasting_test.cpp

@@ -12,7 +12,6 @@
 #include "libkwineffects/glplatform.h"
 #include "pointer_input.h"
 #include "scene/workspacescene.h"
-#include "utils/kernel.h"
 #include "wayland_server.h"
 #include "window.h"
 #include "workspace.h"
@@ -92,12 +91,6 @@ private:
 
 void ScreencastingTest::init()
 {
-    // TODO: Remove this when CI is updated to ubuntu 22.04 or something with a newer kernel.
-    const Version kernelVersion = linuxKernelVersion();
-    if (kernelVersion.majorVersion() == 5 && kernelVersion.minorVersion() <= 4) {
-        QSKIP("drmPrimeFDToHandle() randomly fails");
-        return;
-    }
     QVERIFY(Test::setupWaylandConnection(Test::AdditionalWaylandInterface::ScreencastingV1));
     QVERIFY(KWin::Test::screencasting());
     Cursors::self()->hideCursor();