Clarify comment about util calls slightly

Change-Id: Ic60cbcfd51706f362428d3fa72c2ab23ebe2c14b
diff --git a/vland.py b/vland.py
index 7402e6a..87f86dc 100644
--- a/vland.py
+++ b/vland.py
@@ -134,9 +134,7 @@
 
     # Next, calls that manipulate objects in the database only
     # (switches and ports). These are safe and don't need actual
-    # co-ordinating with hardware directly. API variants of these
-    # (i.e. things that affect actual switch state) will need more
-    # effort, and will be dealt with separately below.
+    # co-ordinating with hardware directly.
     #
     # As/when/if we add authentication, use of this function will need
     # it.