runtime: drop qemu-lite support

As the project is not maintained and we have not been testing against it
for a long time.

Fixes: #2529
Signed-off-by: Peng Tao <bergwolf@hyper.sh>

src/runtime/virtcontainers/qemu_arch_base_test.go

@@ -158,7 +158,7 @@ func TestQemuAddDeviceToBridge(t *testing.T) {
 
 	// addDeviceToBridge fails cause q.Bridges == 0
 	q = newQemuArchBase()
-	q.qemuMachine.Type = QemuPCLite
+	q.qemuMachine.Type = QemuQ35
 	q.bridges(0)
 	_, _, err = q.addDeviceToBridge(context.Background(), "qemu-bridge", types.PCI)
 	if assert.Error(err) {