tests/qtest/usb-hcd: Remove the empty "init" tests

These tests do nothing additional compared to the other test,
so let's remove the empty functions to avoid wasting some few
precious test cycles here.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

tests/qtest/usb-hcd-uhci-test.c

diff --git a/tests/qtest/usb-hcd-uhci-test.c b/tests/qtest/usb-hcd-uhci-test.c
index 28751f5..4446555 100644
--- a/tests/qtest/usb-hcd-uhci-test.c
+++ b/tests/qtest/usb-hcd-uhci-test.c
@@ -17,10 +17,6 @@
 
 static QOSState *qs;
 
-static void test_uhci_init(void)
-{
-}
-
 static void test_port(int port)
 {
     struct qhc uhci;
@@ -71,7 +67,6 @@
         return 0;
     }
 
-    qtest_add_func("/uhci/pci/init", test_uhci_init);
     qtest_add_func("/uhci/pci/port1", test_port_1);
     qtest_add_func("/uhci/pci/hotplug", test_uhci_hotplug);
     if (qtest_has_device("usb-storage")) {

tests/qtest/usb-hcd-xhci-test.c

diff --git a/tests/qtest/usb-hcd-xhci-test.c b/tests/qtest/usb-hcd-xhci-test.c
index 80bc039..0cccfd8 100644
--- a/tests/qtest/usb-hcd-xhci-test.c
+++ b/tests/qtest/usb-hcd-xhci-test.c
@@ -11,11 +11,6 @@
 #include "libqtest-single.h"
 #include "libqos/usb.h"
 
-
-static void test_xhci_init(void)
-{
-}
-
 static void test_xhci_hotplug(void)
 {
     usb_test_hotplug(global_qtest, "xhci", "1", NULL);
@@ -54,7 +49,6 @@
 
     g_test_init(&argc, &argv, NULL);
 
-    qtest_add_func("/xhci/pci/init", test_xhci_init);
     qtest_add_func("/xhci/pci/hotplug", test_xhci_hotplug);
     if (qtest_has_device("usb-uas")) {
         qtest_add_func("/xhci/pci/hotplug/usb-uas", test_usb_uas_hotplug);