Cleanup and minor changes

hosts/server/configuration.nix

@@ -5,10 +5,9 @@
   ...
 }: {
   imports = [./hardware-configuration.nix ./service.nix];
-  powerManagement.enable = false;
+  powerManagement.enable = true;
   system.autoUpgrade.enable = true;
   networking.networkmanager.enable = true;
-  boot.kernelParams = ["intel_pstate=active"];
 
   nix = {
     gc.automatic = true;
@@ -21,10 +20,10 @@
   nixpkgs.config.allowUnfree = true;
 
   programs = {
-    nix-ld.enable = true;
-    nix-ld.libraries = with pkgs; [glibc glib];
     zsh.enable = true;
+    neovim.enable = true;
   };
+
   users = {
     motd = "Welcome to the Server";
     defaultUserShell = pkgs.zsh;
@@ -56,17 +55,12 @@
   hardware.graphics = {
     enable = true;
     extraPackages = with pkgs; [
-      intel-compute-runtime
+      intel-vaapi-driver
       intel-media-driver
-      vaapiIntel
-      vaapiVdpau
-      libvdpau-va-gl
-      vpl-gpu-rt
+      intel-compute-runtime
     ];
   };
 
-  services.xserver.videoDrivers = ["intel"];
-
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave