bpf, btf: Remove the duplicate btf_ids.h include

Remove duplicate btf_ids.h header which is included twice.

Signed-off-by: Wang Qing <[e-mail]>
Signed-off-by: Daniel Borkmann <[e-mail]>
Link: https://lore.kernel.org/bpf/[e-mail]

kernel/bpf/btf.c

···
 #include <linux/skmsg.h>
 #include <linux/perf_event.h>
 #include <linux/bsearch.h>
-#include <linux/btf_ids.h>
 #include <net/sock.h>
 
 /* BTF (BPF Type Format) is the meta data format which describes