matrid-sliding-sync: drop

On the 2024 matrix conference the EOL for the sliding-sync-proxy was
announced to be 2024-10-15. While the repo does not yet reflect that
state, we should not be taking the the sliding-sync proxy into NixOS
24.11 under any circumstances.

nixos/modules/module-list.nix

@@ -711,7 +711,6 @@
   ./services/matrix/mjolnir.nix
   ./services/matrix/mx-puppet-discord.nix
   ./services/matrix/pantalaimon.nix
-  ./services/matrix/matrix-sliding-sync.nix
   ./services/matrix/synapse.nix
   ./services/misc/airsonic.nix
   ./services/misc/amazon-ssm-agent.nix

nixos/modules/rename.nix

@@ -87,6 +87,7 @@ in
     (mkRemovedOptionModule [ "services" "mailpile" ] "The corresponding package was removed from nixpkgs.")
     (mkRemovedOptionModule [ "services" "marathon" ] "The corresponding package was removed from nixpkgs.")
     (mkRemovedOptionModule [ "services" "mathics" ] "The Mathics module has been removed")
+    (mkRemovedOptionModule [ "services" "matrix-sliding-sync" ] "The matrix-sliding-sync package has been removed, since matrix-synapse incorporated its functionality")
     (mkRemovedOptionModule [ "services" "meguca" ] "Use meguca has been removed from nixpkgs")
     (mkRemovedOptionModule [ "services" "mesos" ] "The corresponding package was removed from nixpkgs.")
     (mkRemovedOptionModule [ "services" "mxisd" ] "The mxisd module has been removed as both mxisd and ma1sd got removed.")

pkgs/top-level/aliases.nix

@@ -1026,6 +1026,7 @@ mapAliases {
   matrique = throw "'matrique' has been renamed to/replaced by 'spectral'"; # Converted to throw 2024-10-17
   matrixcli = throw "'matrixcli' has been removed due to being unmaintained and broken functionality. Recommend 'matrix-commander' as an alternative"; # Added 2024-03-09
   matrix-recorder = throw "matrix-recorder has been removed due to being unmaintained"; # Added 2023-05-21
+  matrix-sliding-sync = throw "matrix-sliding-sync has been removed as matrix-synapse 114.0 and later covers its functionality"; # Added 2024-10-20
   maui-nota = libsForQt5.mauiPackages.nota; # added 2022-05-17
   maui-shell = throw "maui-shell has been removed from nixpkgs, it was broken"; # Added 2024-07-15
   mbox = throw "'mbox' has been removed, as it was broken and unmaintained"; # Added 2023-12-21