docs: Release notes updated to remove entries for coop close reorg handling change

Author: saubyk

docs/release-notes/release-notes-0.20.1.md

@@ -80,13 +80,6 @@
   ensures dependencies are properly freed and logs the panic trace for
   debugging.
 
-* [Improved confirmation scaling for cooperative
-  closes](https://github.com/lightningnetwork/lnd/pull/10331) to provide better
-  reorg protection. Previously, cooperative closes required a minimum of 3
-  confirmations. Now, small channels only require 1 confirmation, while larger
-  channels scale proportionally using the standard 0.16 BTC threshold (matching
-  funding confirmation scaling).
-
 ## RPC Updates
 
  * The `EstimateRouteFee` RPC now implements an [LSP detection 
@@ -101,15 +94,6 @@
 
 ## Breaking Changes
 
-* [Increased MinCLTVDelta from 18 to
-  24](https://github.com/lightningnetwork/lnd/pull/TODO) to provide a larger
-  safety margin above the `DefaultFinalCltvRejectDelta` (19 blocks). This
-  affects users who create invoices with custom `cltv_expiry_delta` values
-  between 18-23, which will now require a minimum of 24. The default value of
-  80 blocks for invoice creation remains unchanged, so most users will not be
-  affected. Existing invoices created before the upgrade will continue to work
-  normally.
-
 ## Performance Improvements
 
 * [Added new Postgres configuration