retains local_deb_packages var in host_vars/app.yml
retains local_deb_packages var in host_vars/app.yml

partially reverts c29e201af9b5f9ea4a8170aa3ed4566dfdd7c184,
as the change is out of scope for the snapci-serverspec
feature branch.

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