By now, Formatter::SetValue just calls
Formatter::ImplSetValue. Merge the latter
into the former to avoid one level of
indirection.
Change-Id: I98354b22fcc91c6f77b93c96d371db479f4ba2a8
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/204039
Tested-by: Jenkins
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>