nixos/rippled: move drop notice to nixos release notes

See the accompanying discussion [0] and e.g. the PR at [1].

[0] https://github.com/NixOS/nixpkgs/pull/374568#discussion_r1951562014
[1] https://github.com/NixOS/nixpkgs/pull/371930

Signed-off-by: Christoph Heiss <christoph@c8h4.io>

doc/release-notes/rl-2505.section.md

@@ -4,10 +4,6 @@
 
 <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
 
-- `services.rippled` has been removed, as `rippled` was broken and had not been updated since 2022.
-
-- `services.rippleDataApi` has been removed, as `ripple-data-api` was broken and had not been updated since 2022.
-
 - The [`no-broken-symlinks` hook](https://nixos.org/manual/nixpkgs/unstable/#no-broken-symlinks.sh) was added to catch builds containing dangling or reflexive symlinks, as these are indicative of problems with packaging.
   The hook can be disabled by providing `dontCheckForBrokenSymlinks = true;` as an argument to `mkDerivation`.
   For more information, [check the docs](https://nixos.org/manual/nixpkgs/unstable/#no-broken-symlinks.sh) or [see this PR](https://github.com/NixOS/nixpkgs/pull/370750).

nixos/doc/manual/release-notes/rl-2505.section.md

@@ -467,6 +467,9 @@
   There is also a breaking change in the handling of CUDA. Instead of using a CUDA compatible jaxlib
   as before, you can use plugins like `python3Packages.jax-cuda12-plugin`.
 
+- `services.rippled` has been removed, as `rippled` was broken and had not been updated since 2022.
+
+- `services.rippleDataApi` has been removed, as `ripple-data-api` was broken and had not been updated since 2022.
 
 - `services.netbird.tunnels` was renamed to [`services.netbird.clients`](#opt-services.netbird.clients),
   hardened (using dedicated less-privileged users) and significantly extended.