plugins/packer: remove (deprecated)

Author: GaetanLepage

modules/lazyload.nix

@@ -30,6 +30,7 @@ in
       let
         ignoredPackages = [
           # removed
+          "packer"
           "treesitter-playground"
           # renamed
           "surround"

plugins/default.nix

@@ -27,7 +27,6 @@
 
     ./lsp
 
-    ./pluginmanagers/packer.nix
     ./pluginmanagers/lazy.nix
     ./pluginmanagers/lz-n.nix
 

plugins/deprecation.nix

@@ -16,6 +16,12 @@ let
       - `:InspectTree` to show the parsed syntax tree ("TSPlayground")
       - `:PreviewQuery` to open the Query Editor (Nvim 0.10+)
     '';
+
+    # Added 2025-03-30
+    packer = ''
+      The `packer` plugin manager has been unmaintained for several years.
+      It is recommended to use `plugins.pckr` or `plugins.lazy` instead.
+    '';
   };
   renamed = {
     # Added 2024-09-17