bpf: eliminate DEFAULT_BPFLOADER_(MIN|MAX)_VER

Afterwards:
  git grep 'DEFAULT_BPFLOADER_(MIN|MAX)_VER'
comes up empty

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I9c7736c2c247987263e40c336bdea3a135cfda9a
diff --git a/staticlibs/native/bpf_headers/include/bpf/bpf_helpers.h b/staticlibs/native/bpf_headers/include/bpf/bpf_helpers.h
index 094b2e0..9069038 100644
--- a/staticlibs/native/bpf_headers/include/bpf/bpf_helpers.h
+++ b/staticlibs/native/bpf_headers/include/bpf/bpf_helpers.h
@@ -71,11 +71,11 @@
  * In which case it's just best to use the default.
  */
 #ifndef BPFLOADER_MIN_VER
-#define BPFLOADER_MIN_VER BPFLOADER_PLATFORM_VERSION
+#define BPFLOADER_MIN_VER BPFLOADER_PLATFORM_VERSION  // inclusive, ie. >=
 #endif
 
 #ifndef BPFLOADER_MAX_VER
-#define BPFLOADER_MAX_VER DEFAULT_BPFLOADER_MAX_VER
+#define BPFLOADER_MAX_VER 0x10000u  // exclusive, ie. < v1.0
 #endif
 
 /* place things in different elf sections */
diff --git a/staticlibs/native/bpf_headers/include/bpf/bpf_map_def.h b/staticlibs/native/bpf_headers/include/bpf/bpf_map_def.h
index 0ac4474..2d6736c 100644
--- a/staticlibs/native/bpf_headers/include/bpf/bpf_map_def.h
+++ b/staticlibs/native/bpf_headers/include/bpf/bpf_map_def.h
@@ -42,10 +42,6 @@
  *                                                                            *
  ******************************************************************************/
 
-// These are the values used if these fields are missing
-#define DEFAULT_BPFLOADER_MIN_VER 0u        // v0.0 (this is inclusive ie. >= v0.0)
-#define DEFAULT_BPFLOADER_MAX_VER 0x10000u  // v1.0 (this is exclusive ie. < v1.0)
-
 /*
  * The bpf_{map,prog}_def structures are compiled for different architectures.
  * Once by the BPF compiler for the BPF architecture, and once by a C++