[#151238873] Remove ssh_proxy vm_extension from scheduler for bosh-lite
[#151238873] Remove ssh_proxy vm_extension from scheduler for bosh-lite

Signed-off-by: Chris Selzo <bcc9b34dc8d1772f303d51b58a7185cdba80a88e@pivotal.io>

cloudfoundry/cf-deployment,emalm/cf-deployment,cloudfoundry/cf-deployment