ssh: Remove unused header
ssh: Remove unused header

This header is no longer used, we can remove it.

mareklibra/cockpit,garrett/cockpit,mvollmer/cockpit,SotolitoLabs/cockpit,garrett/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,cockpit-project/cockpit,deryni/cockpit,andreasn/cockpit,mareklibra/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,cockpit-project/cockpit,garrett/cockpit,andreasn/cockpit,deryni/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,martinpitt/cockpit,garrett/cockpit,deryni/cockpit,andreasn/cockpit,andreasn/cockpit,mvollmer/cockpit,moraleslazaro/cockpit,mvollmer/cockpit,cockpit-project/cockpit,SotolitoLabs/cockpit,martinpitt/cockpit,SotolitoLabs/cockpit,deryni/cockpit,mareklibra/cockpit,mareklibra/cockpit,SotolitoLabs/cockpit,deryni/cockpit,andreasn/cockpit,martinpitt/cockpit,deryni/cockpit,cockpituous/cockpit,cockpituous/cockpit,garrett/cockpit,moraleslazaro/cockpit,mvollmer/cockpit,SotolitoLabs/cockpit,SotolitoLabs/cockpit,cockpituous/cockpit,deryni/cockpit,moraleslazaro/cockpit,mareklibra/cockpit,moraleslazaro/cockpit,andreasn/cockpit,cockpituous/cockpit,mareklibra/cockpit,andreasn/cockpit,cockpit-project/cockpit,mvollmer/cockpit,cockpit-project/cockpit,cockpituous/cockpit,SotolitoLabs/cockpit,mareklibra/cockpit