Moved host definition into inventory

hosts.example

@@ -0,0 +1,2 @@
+[vps]
+vps123456.ovh.net

initial-setup.yml

@@ -3,12 +3,8 @@
   gather_facts: false
   port: 22
   remote_user: root
-  hosts: 
+  hosts: vps
-    - "{{ target }}"
   vars_prompt:
-    - name: target
-      prompt: "Domain of the machine to set up"
-      private: no
     - name: new_root_pw
       prompt: "What should be the new root password?"
       private: yes