remove unused enum value BpfLevel::NONE

Test: builds, atest, TreeHugger
Bug: 167500195
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ic378d0e5a579abf44985a3353a21885796c297bb
diff --git a/libbpf_android/include/bpf/BpfUtils.h b/libbpf_android/include/bpf/BpfUtils.h
index 9a74fe7..50f2090 100644
--- a/libbpf_android/include/bpf/BpfUtils.h
+++ b/libbpf_android/include/bpf/BpfUtils.h
@@ -31,9 +31,6 @@
 namespace bpf {
 
 enum class BpfLevel {
-    // Devices shipped before P or kernel version is lower than 4.9 do not
-    // have eBPF enabled.
-    NONE,
     // Devices shipped in P with android 4.9 kernel only have the basic eBPF
     // functionalities such as xt_bpf and cgroup skb filter.
     BASIC_4_9,
@@ -57,7 +54,7 @@
 BpfLevel getBpfSupportLevel();
 
 inline bool isBpfSupported() {
-    return getBpfSupportLevel() != BpfLevel::NONE;
+    return true;
 }
 
 #define SKIP_IF_BPF_NOT_SUPPORTED                                                    \