Revert "re-add llama.cpp (test?)"

This reverts commit 943fa2f531.

Maybe will un-revert once turboquant becomes a thing?

service-configs.nix

@@ -149,10 +149,6 @@ rec {
         port = 5000;
         proto = "tcp";
       };
-      llama_cpp = {
-        port = 6688;
-        proto = "tcp";
-      };
     };
   };