software: remove old TODO

The software design had a reference to a "TODO" pertaining to the old
REST API, which has been present for years and unresolved.  Since the
REsT API is deprecated anyhow and issues should be tracked elsewhere,
remove this TODO.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I554da4dcfee32a1196e3c42c17bbba6c73cd1653
diff --git a/yaml/xyz/openbmc_project/Software/README.md b/yaml/xyz/openbmc_project/Software/README.md
index e686076..7c9b228 100644
--- a/yaml/xyz/openbmc_project/Software/README.md
+++ b/yaml/xyz/openbmc_project/Software/README.md
@@ -66,9 +66,6 @@
 A reasonable algorithm might be:
 `echo <Version.Version> <Version.Purpose> | sha512sum | cut -b 1-8`
 
-> TODO: May need an issue against the REST server to 'merge' two copies of
->       a single D-Bus object into a single REST object.
-
 ### Activation States
 
 `xyz.openbmc_project.Software.Activation` has a property Activation that can