➖ [shared] Only use cuda acceleration for Ollama if Nvidia is used

shared/modules/development/ollama.nix

@@ -1,6 +1,8 @@
+{ lib, systemConfig, ... }:
+
 {
   services.ollama = {
     enable = true;
-    acceleration = "cuda";
+    acceleration = lib.mkIf systemConfig.nvidia.enable "cuda";
   };
 }