doc: Remove c-lightning-REST documentation

Changelog-None

contrib/init/lightningd.service

@@ -46,8 +46,7 @@ NoNewPrivileges=true
 PrivateDevices=true
 
 # Deny the creation of writable and executable memory mappings.
-# NOTE: This seems to break node.js plugins, notably Ride-The-Lightning/c-lightning-REST:
-#  https://github.com/Ride-The-Lightning/c-lightning-REST/issues/116
+# NOTE: This seems to break node.js plugins:
 MemoryDenyWriteExecute=true
 
 [Install]

doc/developers-guide/app-development/rest.md

@@ -33,13 +33,6 @@ An online demo for the REST interface is available at [REST API REFERENCE](ref:g
 > Note: This setup is for **testing only**. It is **highly recommended** to test with _non-mainnet_ (regtest/testnet) setup only.
 
 
-## Installation
-
-Note: if you have the older c-lightning-REST plugin, you can configure Core Lightning with `disable-plugin=clnrest`
-option to avoid confusion with this one. You can also run both plugins simultaneously till all your applications
-are not migrated to `clnrest`.
-
-
 ## Configuration
 
 If `clnrest-port` is not specified, the plugin will disable itself.

doc/developers-guide/app-development/third-party-libraries.md

@@ -17,15 +17,3 @@ updatedAt: "2023-09-05T13:55:16.224Z"
 ## JSON over HTTPS
 
 [Sparko](https://github.com/fiatjaf/sparko) offers a full-blown JSON-RPC over HTTP bridge to a CLN node with fine-grained permissions, SSE and spark-wallet support that can be used to develop apps.
-
-## REST
-
-> 📘 Pro-tip
-> 
-> Official support for REST APIs in Core Lightning has been released in v23.08!
->
-> C-lightning-REST is scheduled to sunset soon!
-
-[C-lightning-REST](https://github.com/Ride-The-Lightning/c-lightning-REST) is a _third party_ REST API interface for Core Lightning written in Node.js.
-
-For new application development, utilize Core Lightning's first class REST plugin **[clnrest](doc:rest)**.