message is "calling a base constructor other than the copy constructor"

these constructors are not in use, so just remove them

Change-Id: Ic8cede1eb153a6ae97fd1ca9c96ca8c1f43e3399
Reviewed-on: https://gerrit.libreoffice.org/61784
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>