move networking bpf helpers to system/netd

Test: build, atest
Bug: 141532657
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: If7b13a80d3db07da7c540dc7661e92ea8e0ad8c8
diff --git a/progs/include/bpf_helpers.h b/progs/include/bpf_helpers.h
index 3ab68af..e933021 100644
--- a/progs/include/bpf_helpers.h
+++ b/progs/include/bpf_helpers.h
@@ -75,19 +75,6 @@
 static unsigned long long (*bpf_get_current_pid_tgid)(void) = (void*) BPF_FUNC_get_current_pid_tgid;
 static unsigned long long (*bpf_get_current_uid_gid)(void) = (void*) BPF_FUNC_get_current_uid_gid;
 static unsigned long long (*bpf_get_smp_processor_id)(void) = (void*) BPF_FUNC_get_smp_processor_id;
-/* networking  */
-static uint64_t (*bpf_get_socket_cookie)(struct __sk_buff* skb) = (void*)BPF_FUNC_get_socket_cookie;
-static uint32_t (*bpf_get_socket_uid)(struct __sk_buff* skb) = (void*)BPF_FUNC_get_socket_uid;
-static int (*bpf_skb_load_bytes)(struct __sk_buff* skb, int off, void* to,
-                                 int len) = (void*)BPF_FUNC_skb_load_bytes;
-
-static int (*bpf_skb_change_proto)(struct __sk_buff* skb, __be16 proto,
-                                   __u64 flags) = (void*)BPF_FUNC_skb_change_proto;
-static int (*bpf_l3_csum_replace)(struct __sk_buff* skb, __u32 offset, __u64 from, __u64 to,
-                                  __u64 flags) = (void*)BPF_FUNC_l3_csum_replace;
-static int (*bpf_l4_csum_replace)(struct __sk_buff* skb, __u32 offset, __u64 from, __u64 to,
-                                  __u64 flags) = (void*)BPF_FUNC_l4_csum_replace;
-static int (*bpf_redirect)(__u32 ifindex, __u64 flags) = (void*)BPF_FUNC_redirect;
 
 /*
  * Map structure to be used by Android eBPF C programs. The Android eBPF loader