[RFC] Remove remaining users of exec domains

These two patches remove the last two in-tree users of exec domains. Both seem to be abandoned and historical. Russel, Tony, are you fine with that? The plan is to get rid of exec domains at all. IOW no more register_exec_domain, no signal translation. I have a follow up series for that already

[RFC] Remove remaining users of exec domains

These two patches remove the last two in-tree users of exec domains. Both seem to be abandoned and historical. Russel, Tony, are you fine with that? The plan is to get rid of exec domains at all. IOW no more register_exec_domain, no signal translation. I have a follow up series for that already