common: change remove rnix-lsp, add nil and nixpkgs-fmt, move nix default package to common

configurations/host/Old-materusPC/configuration.nix

@@ -82,7 +82,6 @@ in
       ./hardware-configuration.nix
     ];
   boot.supportedFilesystems = [ "ntfs" ];
-  nix.package = pkgs.nixFlakes;
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
   nix.settings.auto-optimise-store = true;
   nix.settings.substituters = [

configurations/host/materusPC/extraHome.nix

@@ -26,6 +26,8 @@
       gcc
       gdb
       nil
+      nixfmt
+      nixpkgs-fmt
       cmake
       gnumake
       ninja 

configurations/profile/common/nixpkgs.nix

@@ -21,7 +21,7 @@ in
   };
   config.nixpkgs.overlays = lib.mkIf cfg.enableOverlays [materusArg.cfg.configInputs.emacs-overlay.overlay];
 
-
+  config.nix.package = lib.mkDefault pkgs.nixUnstable;
   config.nix.registry = lib.mkIf config.materus.profile.nix.enableRegistry {
        nixpkgs-stable = {
          from = { type = "indirect"; id = "nixpkgs-stable"; };

configurations/profile/common/packages/default.nix

@@ -20,8 +20,8 @@ with materusArg.pkgs.lib;
     nix-tree
     nix-diff
     nix-ld
-    rnix-hashes
-    rnix-lsp
+    nil
+    nixpkgs-fmt
     nixpkgs-review
   ]);
 

configurations/profile/os/nix.nix

@@ -5,7 +5,6 @@ in
 {
   options.materus.profile.nix.enable = materusArg.pkgs.lib.mkBoolOpt false "Enable materus nix settings";
   config.nix = lib.mkIf cfg.enable {
-    package = lib.mkDefault pkgs.nixVersions.unstable;
 
     settings = {
       experimental-features = [ "nix-command" "flakes" "repl-flake" "no-url-literals" ];