ensure that grsecurity spectests don't run on do hosts
ensure that grsecurity spectests don't run on do hosts

only relevant for app- and mon- machines, so filter by them
and remove the spectests from the queue if appropriate.

micahflee/securedrop,jrosco/securedrop,kelcecil/securedrop,heartsucker/securedrop,garrettr/securedrop,conorsch/securedrop,conorsch/securedrop,micahflee/securedrop,ageis/securedrop,garrettr/securedrop,chadmiller/securedrop,kelcecil/securedrop,ehartsuyker/securedrop,ageis/securedrop,ehartsuyker/securedrop,heartsucker/securedrop,kelcecil/securedrop,jeann2013/securedrop,conorsch/securedrop,ehartsuyker/securedrop,ehartsuyker/securedrop,ageis/securedrop,jrosco/securedrop,jrosco/securedrop,jeann2013/securedrop,pwplus/securedrop,jeann2013/securedrop,conorsch/securedrop,ehartsuyker/securedrop,chadmiller/securedrop,jaseg/securedrop,pwplus/securedrop,jaseg/securedrop,jaseg/securedrop,jeann2013/securedrop,kelcecil/securedrop,jaseg/securedrop,heartsucker/securedrop,chadmiller/securedrop,jrosco/securedrop,ehartsuyker/securedrop,heartsucker/securedrop,kelcecil/securedrop,jaseg/securedrop,kelcecil/securedrop,pwplus/securedrop,jeann2013/securedrop,chadmiller/securedrop,conorsch/securedrop,chadmiller/securedrop,pwplus/securedrop,pwplus/securedrop,heartsucker/securedrop,garrettr/securedrop,jrosco/securedrop,ageis/securedrop,pwplus/securedrop,micahflee/securedrop,garrettr/securedrop,chadmiller/securedrop,jrosco/securedrop,jaseg/securedrop,micahflee/securedrop,jeann2013/securedrop