Fixes dynamic inventory group declarations
Fixes dynamic inventory group declarations

During review @msheiny pointed out that the group memberships were
inappropriately couched within the `_meta` block, which should only
contain the `hostvars`. As such Ansible was reporting that the inventory
file was empty. Fixed.

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