KVM: selftests: Remove duplicated TEST_ASSERT in hyperv_cpuid.c

The check for entry->index == 0 is done twice. One time should
be sufficient.
Suggested-by: NVitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: NThomas Huth <thuth@redhat.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c

@@ -52,9 +52,6 @@ static void test_hv_cpuid(struct kvm_cpuid2 *hv_cpuid_entries,
 		TEST_ASSERT(entry->index == 0,
 			    ".index field should be zero");
 
-		TEST_ASSERT(entry->index == 0,
-			    ".index field should be zero");
-
 		TEST_ASSERT(entry->flags == 0,
 			    ".flags field should be zero");