Follow up of tdf#103550. The conversion from half to full width characters and vice versa happens per character according to a table. There is no need to have a separate table with exceptions to the general rule.

Change-Id: Id611d1d6074cb2489fb0254d8ba9a83d7c26065f
Reviewed-on: https://gerrit.libreoffice.org/49102Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Eike Rathke <erack@redhat.com>