Add ssh port update to bootstrap playbook

Update to use dynamic managment settings
Remove check for existing bootstrap directory
Fix re-using ansible password for root user

inventory/en1.yaml

@@ -1,8 +1,9 @@
 ---
 all:
+  children:
+    en1: {}
+
   vars:
-    skylab_state_dir: /var/lib/skylab
-    skylab_ansible_venv: "{{ skylab_state_dir }}/ansible-runtime"
     skylab_pip_version: 19.3.1
     ansible_user: ansible
     ansible_ssh_common_args: "-o ControlMaster=auto -o ControlPersist=60s -o ForwardAgent=yes"
@@ -14,7 +15,6 @@ workstation:
       skylab_hostname: voyager.skylab.enp.one
       skylab_targets: [workstation]
 
-
 en1:
   vars:
     skylab_location: Newton MA