Remove expired misc/kdehier4 and update all of its consumers to not reference it any
longer. This is a no-op because KDE4_PREFIX is equal to LOCALBASE

Fix up properties for misc/kde4-l10n/files/bsd.l10n.mk to make svn happy.

PR: 209014 (partial)
Submitted by: myself
Approved by: portmgr (bapt)
Differential Revision: https://reviews.freebsd.org/D6542