Objects of type `Object` and `Thread` have address identities, so they
should not be just moved/copied. And the special member functions
generated by the compiler do not do the right thing. So delete them.
Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>