Update 'clean_known_hosts.yml'

clean_known_hosts.yml

@@ -0,0 +1,9 @@
+---
+- hosts: localhost
+  become: yes
+  tasks:
+  - name: Show contents of known_hosts file
+    shell: |
+      cat /var/lib/awx/.ssh/known_hosts
+    ignore_errors: yes
+    delegate_to: 127.0.0.1

hello.yml

@@ -1,8 +0,0 @@
----
-- name: Echo 
-  hosts: all
-
-  tasks:
-  - name: Print hello
-    debug:
-      msg: Hello, world!