Revert "tdf#161846 use unordered_map in SfxItemPropertyMap"
This reverts commit c39978f41d.
Change-Id: I26cadb32b426fd3b48179b67c677213a78b4999c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/180903
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Linguistics Components Manager
linguistic module handles the registered modules for spellchecker, hyphenator and thesaurus.