Follow up a review comment that was missed

Bug: 142935992
Test: m nothing
Change-Id: I45b3b7dd3bde3042d67f647c188d61070864f3cc
diff --git a/sdk/update.go b/sdk/update.go
index a95d06a..0248a66 100644
--- a/sdk/update.go
+++ b/sdk/update.go
@@ -424,11 +424,6 @@
 // This will cause the references to be rewritten to a versioned reference in the version
 // specific instance of a snapshot module.
 var requiredSdkMemberReferencePropertyTag = propertyTag{"requiredSdkMemberReferencePropertyTag"}
-
-// A BpPropertyTag to add to a property that contains references to other sdk members.
-//
-// This will cause the references to be rewritten to a versioned reference in the version
-// specific instance of a snapshot module.
 var optionalSdkMemberReferencePropertyTag = propertyTag{"optionalSdkMemberReferencePropertyTag"}
 
 // A BpPropertyTag that indicates the property should only be present in the versioned