Merge pull request #5913 from bhandras/invoices_5911

invoices: do not log when invoice is already deleted

docs/release-notes/release-notes-0.14.0.md

@@ -584,6 +584,9 @@ messages directly. There is no routing/path finding involved.
   re-notified](https://github.com/lightningnetwork/lnd/pull/5901), which could
   lead to higher-level HTLC mismanagement issues.
 
+* [Do not error log when an invoice that has been canceled and GC'd is expired](
+  https://github.com/lightningnetwork/lnd/pull/5913)
+
 ## Documentation 
 
 The [code contribution guidelines have been updated to mention the new