HomeFreeBSD

-Updated header.l10n.ent based on the zh_TW and en_US versions.

Description

-Updated header.l10n.ent based on the zh_TW and en_US versions.

-Changed to used layout files from en_US as zh_TW and jp versions are doing that as well. Old local layouts are deleted.

Submitted by: Guangyuan (Charlie) Yang <cyang@freebsdfoundation.org>
Reviewed by: delphij
Differential Revision: https://reviews.freebsd.org/D11794