[CORD-1530]
Make config file directory creation using become an optional step
Cleanup various incongruities in defaults

Change-Id: I6fb77ab1ccdf08a18468adbc59474f94d603fc11
diff --git a/roles/ssh-pki/tasks/main.yml b/roles/ssh-pki/tasks/main.yml
index 2cc7c64..df6ced0 100644
--- a/roles/ssh-pki/tasks/main.yml
+++ b/roles/ssh-pki/tasks/main.yml
@@ -1,8 +1,9 @@
 ---
 # ssh-pki/tasks/main.yml
 
+# if this step fails, may need to include `create-configdir-become` role to
+# create directories using become.
 - name: Create SSH CA Directory
-  become: yes
   file:
     dest: "{{ item }}"
     state: directory