Move current config into its new place to begin modularizing

flake.nix

@@ -9,9 +9,7 @@
     nixosConfigurations.primus = nixpkgs.lib.nixosSystem {
       system = "x86_64-linux";
       modules = [
-        # Import the previous configuration.nix we used,
+        ./hosts/primus
-        # so the old configuration file still takes effect
-        ./configuration.nix
       ];
     };
   };