Updated core

Project: help  49375fa3358ea5bf8cb8ba0f1bf4f5ab0ada40c3

Helpcontent2 housekeeping

Deleted spurious file in source/

Change-Id: Ia7417413e615635496398c223a0d95911c994123
Reviewed-on: https://gerrit.libreoffice.org/53012Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Olivier Hallot <olivier.hallot@libreoffice.org>

helpcontent2 @ 49375fa3

-Subproject commit 22691f35eea6bf031fe271790d9b19093a12f8f4
+Subproject commit 49375fa3358ea5bf8cb8ba0f1bf4f5ab0ada40c3