Remove unnecessary ini commenting from nova

Nova does not ship these options in it's api-paste.conf any more so the
functions have no effect.

Change-Id: Ie4527a0639e977e83e6bfc07751ba062839e0600
diff --git a/lib/nova b/lib/nova
index 722eabb..1a756f7 100644
--- a/lib/nova
+++ b/lib/nova
@@ -241,16 +241,6 @@
 
         # Get the sample configuration file in place
         cp $NOVA_DIR/etc/nova/api-paste.ini $NOVA_CONF_DIR
-
-        # Comment out the keystone configs in Nova's api-paste.ini.
-        # We are using nova.conf to configure this instead.
-        inicomment $NOVA_API_PASTE_INI filter:authtoken auth_host
-        inicomment $NOVA_API_PASTE_INI filter:authtoken auth_protocol
-        inicomment $NOVA_API_PASTE_INI filter:authtoken admin_tenant_name
-        inicomment $NOVA_API_PASTE_INI filter:authtoken cafile
-        inicomment $NOVA_API_PASTE_INI filter:authtoken admin_user
-        inicomment $NOVA_API_PASTE_INI filter:authtoken admin_password
-        inicomment $NOVA_API_PASTE_INI filter:authtoken signing_dir
     fi
 
     if is_service_enabled n-cpu; then