fdo#39468 Translate German comments (include/svx/(fmsearch|svdopath).hxx)

In include/svx/fmsearch.hxx and include/svx/svdopath.hxx.
Also remove some ASCII art, and redundant comments.

Change-Id: I766150c9d80ec087525713783a483a7057a7130c
Reviewed-on: https://gerrit.libreoffice.org/7705
Tested-by: Caolán McNamara <caolanm@redhat.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>