removed old rbd example

Author: raspbeguy

README.md

@@ -195,19 +195,6 @@ Example Playbook
                   format: 'raw'
                   target: 'hda'  # first device on ide bus
                 - name: 'networkfs'
-                  type: 'network'
-                  format: 'raw'
-                  capacity: '50G'
-                  auth:
-                    username: 'admin'
-                    type: 'ceph'
-                    uuid: ''
-                  source:
-                    protocol: 'rbd'
-                    name: 'rbd/bigstore'
-                    hostname: 'ceph.example.org'
-                    port: '6789'
-                - name: 'networkfs2'
                   type: 'network'
                   format: 'raw'
                   capacity: '50G'