Bug 11944: (follow-up) Remove all utf8 filter from templates

Bug 11944: (follow-up) Remove all utf8 filter from templates

This patch removes 2 new occurrences introduced by bug 11351 and bug
10493.

Signed-off-by: Magnus Enger <digitalutvikling@gmail.com>
Removes a nasty "Template process failed: plugin error - EncodeUTF8:
plugin not found at /home/magnus/scripts/kohaclone/C4/Templates.pm line 124"
from /cgi-bin/koha/admin/itemtypes.pl

Signed-off-by: Dobrica Pavlinusic <dpavlin@rot13.org>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>