remove unused SKIP_IF_XDP_NOT_SUPPORTED macro

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I2480cbe958d2827440e5dd827b43a89f4b7a556c
diff --git a/staticlibs/native/bpf_headers/include/bpf/BpfUtils.h b/staticlibs/native/bpf_headers/include/bpf/BpfUtils.h
index 157f210..65c542f 100644
--- a/staticlibs/native/bpf_headers/include/bpf/BpfUtils.h
+++ b/staticlibs/native/bpf_headers/include/bpf/BpfUtils.h
@@ -126,11 +126,5 @@
 // so we can just trivialize this
 #define SKIP_IF_EXTENDED_BPF_NOT_SUPPORTED
 
-#define SKIP_IF_XDP_NOT_SUPPORTED                           \
-    do {                                                    \
-        if (!android::bpf::isAtLeastKernelVersion(5, 9, 0)) \
-            GTEST_SKIP() << "Skip: xdp not supported.";     \
-    } while (0)
-
 }  // namespace bpf
 }  // namespace android