Replace Debian testing base box to remram/debian-9-amd64.

Vagrantfile

@@ -24,7 +24,7 @@ Vagrant.configure(2) do |config|
 
   config.vm.define "kodi" do |kodi|
     kodi.vm.hostname = "kodi.Ansible.vagrant"
-    kodi.vm.box = "fujimakishouten/debian-9-testing-virtualbox"
+    kodi.vm.box = "remram/debian-9-amd64"
     # TODO: Find the correct syntax for a single command.
     #kodi.vm.provider("virtualbox"), gui: true
     kodi.vm.provider "virtualbox" do |vb|
@@ -34,7 +34,7 @@ Vagrant.configure(2) do |config|
 
   config.vm.define "nspawn" do |nspawn|
     nspawn.vm.hostname = "nspawn.Ansible.vagrant"
-    nspawn.vm.box = "fujimakishouten/debian-9-testing-virtualbox"
+    nspawn.vm.box = "remram/debian-9-amd64"
   end
 
   config.vm.define "cgit" do |cgit|