Move seccomp policy to bionic

Test: Built and checked booted

Change-Id: If777eed75d5280c7a390399261e97125c04767b2
diff --git a/libc/seccomp/seccomp_policy.h b/libc/seccomp/seccomp_policy.h
index e0282bd..33b5d0e 100644
--- a/libc/seccomp/seccomp_policy.h
+++ b/libc/seccomp/seccomp_policy.h
@@ -17,12 +17,6 @@
 #ifndef SECCOMP_POLICY_H
 #define SECCOMP_POLICY_H
 
-#include <stddef.h>
-#include <linux/seccomp.h>
-
-extern const struct sock_filter arm_filter[];
-extern const size_t arm_filter_size;
-extern const struct sock_filter arm64_filter[];
-extern const size_t arm64_filter_size;
+bool set_seccomp_filter();
 
 #endif