Update example local.conf within README.rst

Removed duplicated 'VIRT_DRIVER=libvirt' entry, removed deprecated service 'n-net' and added 'c-bak' service

Closes-Bug: #1824918
Change-Id: I6214b0e6f94abbfae795d8bd5ecb8adcdaa79c08
Signed-off-by: Rafael Fayan <rfayan@daitan.com>
diff --git a/README.rst b/README.rst
index 79151cd..0254938 100644
--- a/README.rst
+++ b/README.rst
@@ -24,7 +24,6 @@
 ::
 
     [[local|localrc]]
-    VIRT_DRIVER=libvirt
     ADMIN_PASSWORD=secret
     SERVICE_TOKEN=$ADMIN_PASSWORD
     MYSQL_PASSWORD=$ADMIN_PASSWORD
@@ -35,8 +34,8 @@
     SYSLOG=False
     LOG_COLOR=False
     RECLONE=yes
-    ENABLED_SERVICES=c-api,c-sch,c-vol,cinder,dstat,g-api,g-reg,key,mysql,
-                     n-api,n-cond,n-cpu,n-crt,n-net,n-sch,rabbit,tempest
+    ENABLED_SERVICES=c-api,c-bak,c-sch,c-vol,cinder,dstat,g-api,g-reg,key
+    ENABLED_SERVICES+=,mysql,n-api,n-cond,n-cpu,n-crt,n-sch,rabbit,tempest
     CINDER_ENABLED_BACKENDS=lvmdriver-1
     CINDER_DEFAULT_VOLUME_TYPE=lvmdriver-1
     CINDER_VOLUME_CLEAR=none