Remove seccomp upload hook.

We switched to genrules already, and the lack of `set -e` in the script
means that no-one's even noticed that this script has been failing since
then...

Test: N/A
Change-Id: Ie57cc97ab4e1003a106d4667cd404d22f0ee68a2
diff --git a/PREUPLOAD.cfg b/PREUPLOAD.cfg
index 98bede5..c9dcd8f 100644
--- a/PREUPLOAD.cfg
+++ b/PREUPLOAD.cfg
@@ -1,4 +1,3 @@
 [Hook Scripts]
 notice = tools/update_notice.sh
-seccomp = tools/update_seccomp.sh
 syscalls = tools/update_syscalls.sh
diff --git a/tools/update_seccomp.sh b/tools/update_seccomp.sh
deleted file mode 100755
index b9e53aa..0000000
--- a/tools/update_seccomp.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/bin/bash
-DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-cd $DIR/..
-./libc/tools/genseccomp.py
-
-git diff --exit-code HEAD libc/seccomp/
-exit $?