Removes deprecated Serverspec tests for build host
Removes deprecated Serverspec tests for build host

Already converted and refined in previous commits; now removing the old
test file, to aid in collaborating with multiple developers on the
conversion process.

garrettr/securedrop,ehartsuyker/securedrop,ehartsuyker/securedrop,micahflee/securedrop,ageis/securedrop,heartsucker/securedrop,heartsucker/securedrop,ehartsuyker/securedrop,ageis/securedrop,micahflee/securedrop,garrettr/securedrop,ehartsuyker/securedrop,ageis/securedrop,ehartsuyker/securedrop,conorsch/securedrop,conorsch/securedrop,conorsch/securedrop,ageis/securedrop,ehartsuyker/securedrop,micahflee/securedrop,garrettr/securedrop,heartsucker/securedrop,garrettr/securedrop,conorsch/securedrop,heartsucker/securedrop,conorsch/securedrop,micahflee/securedrop,heartsucker/securedrop