selftests/bpf: Undo GCC-specific bpf_helpers.h changes

Having GCC provide its own bpf-helper.h is not the right approach and is
going to be changed. Undo bpf_helpers.h change before moving
bpf_helpers.h into libbpf.

Signed-off-by: Andrii Nakryiko <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Acked-by: Song Liu <[email protected]>
Acked-by: Ilya Leoshkevich <[email protected]>
Acked-by: John Fastabend <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
diff --git a/tools/testing/selftests/bpf/bpf_helpers.h b/tools/testing/selftests/bpf/bpf_helpers.h
index 1515228..ffd4d8c 100644
--- a/tools/testing/selftests/bpf/bpf_helpers.h
+++ b/tools/testing/selftests/bpf/bpf_helpers.h
@@ -15,8 +15,6 @@
 			 ##__VA_ARGS__);		\
 })
 
-#ifdef __clang__
-
 /* helper macro to place programs, maps, license in
  * different sections in elf_bpf file. Section names
  * are interpreted by elf_bpf loader
@@ -47,12 +45,6 @@ struct bpf_map_def {
 	unsigned int numa_node;
 };
 
-#else
-
-#include <bpf-helpers.h>
-
-#endif
-
 #define BPF_ANNOTATE_KV_PAIR(name, type_key, type_val)		\
 	struct ____btf_map_##name {				\
 		type_key key;					\