container/seccomp: move personality constants

Signed-off-by: Ophestra <cat@gensokyo.uk>

container/seccomp/syscall_extra_linux_amd64.go

@@ -4,15 +4,9 @@ package seccomp
 #cgo linux pkg-config: --static libseccomp
 
 #include <seccomp.h>
-#include <sys/personality.h>
 */
 import "C"
 
-const (
-	PER_LINUX   = C.PER_LINUX
-	PER_LINUX32 = C.PER_LINUX32
-)
-
 var syscallNumExtra = map[string]int{
 	"umount":          SYS_UMOUNT,
 	"subpage_prot":    SYS_SUBPAGE_PROT,