fix(desktop/developer): remove linux-manual from systemPackages, as it is currently broken

desktop/developer.nix

@@ -74,7 +74,7 @@ in
       gnumake
       cmake
 
-      linux-manual
+      #linux-manual # Broken as of 2026-03-22
       man-pages
       man-pages-posix
 

hardware/intel/default.nix

@@ -34,14 +34,14 @@ in
         with pkgs;
         [ ]
         ++ [
-          vaapiVdpau
+          libva-vdpau-driver
           libvdpau-va-gl
 
           intel-graphics-compiler
           intel-compute-runtime
         ]
         ++ optional cfg.iHD intel-media-driver # LIBVA_DRIVER_NAME=iHD
-        ++ optional (!cfg.iHD) vaapiIntel # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
+        ++ optional (!cfg.iHD) intel-vaapi-driver # LIBVA_DRIVER_NAME=i965 (older but works better for Firefox/Chromium)
       ;
     };
 

nix/nix.nix

@@ -92,6 +92,19 @@ in
       };
     };
 
+    systemd.services.nix-delete-generations = mkIf (config.aviallon.boot.configurationLimit != null) {
+      script = ''
+        nix-env --delete-generations +${toString config.aviallon.boot.configurationLimit} --profile /nix/var/nix/profiles/system
+      '';
+      path = [ config.nix.package ];
+      restartIfChanged = false;
+      reloadIfChanged = false;
+      startAt = "Sun 03:00:00";
+      enableStrictShellChecks = true;
+      after = [ "multi-user.target" "nix-daemon.socket" ];
+      wants = [ "multi-user.target" "nix-daemon.socket" ];
+    };
+
     nix.package = optimizePkg {
       stdenv = pkgs.fastStdenv;
       level = "slower";