Revert "cluster/kube/lib/nginx: use Local traffic policy"

This reverts commit 09a0f06d2a0a3fdc2c80c0a4630bd976e3bbc966.

Reason for revert: prevents registry from being accessible on nodes:

q3k@anathema ~/Software/hscloud $ curl registry.k0.hswaw.net
<html>
[..., ok]

[root@bc01n03:~]# curl registry.k0.hswaw.net
^C

Change-Id: I0da97aaf7a8791ea3f62c70b6c1502f4a48a300f
1 file changed