simplify milestones

Author: castedo

docs/about.md

@@ -23,23 +23,12 @@ Future Plans
 
 ### Milestones
 
-Image support for [BpDF](bdf/index.md)
-: As of 2023, Baseprint software does not support images.
-    
 [BaseprintPress](https://gitlab.com/perm.pub/baseprintpress) available as a GitHub Action
-: A new website in a new subdomain under .perm.pub that uses BaseprintPress.
+: A new website on subdomain pilot.perm.pub that uses BaseprintPress.
 
 E-publication of the [Maggi paper](https://github.com/castedo/ten-years-challenge-pulsed-drive)
 : Sabino Maggi is the first pilot user interested in publishing a Baseprint document.
 
-[Document succession resolver service](https://github.com/singlesourcepub/baseprints/discussions/7) launch
-: A web API that resolves a DSI to all the SWHIDs for each of the snapshots by querying the
-Software Heritage Archive and GitHub. It needs to use OpenSSH to verify SSH signatures.
-
-In-browser client-side BpDF-to-HTML rendering
-: Calls the resolver service. Websites can use it without having to generate content
-server-side or statically.
-
 DOI-DSI upgrade available
 : A DOI registrar that can mint a DOI for a DSI if an author requests.