feat: enable direnv tool and disable ollama service

Enable direnv under the tools configuration with a commented-out git tool. Disable the ollama service, changing its enable flag from true to false.

homes/x86_64-linux/harald@x1/default.nix

@@ -17,7 +17,6 @@
     };
     tools = {
       git.enable = true;
-      direnv.enable = true;
     };
   };
 

modules/nixos/tools/git/default.nix

@@ -46,9 +46,6 @@ in
           core = {
             whitespace = "trailing-space,space-before-tab";
           };
-          safe = {
-            directory = "${user.home}/git";
-          };
           "credential \"https://github.com\"" = {
             helper = "!gh auth git-credential";
           };

systems/x86_64-linux/x1/default.nix

@@ -12,6 +12,10 @@ with lib.metacfg;
     podman.enable = true;
     secureboot.enable = true;
     homeprinter.enable = true;
+    tools = {
+        direnv.enable = true;
+        #git.enable = true;
+    };
     user.extraGroups = [
       "docker"
       "dialout"
@@ -69,7 +73,7 @@ with lib.metacfg;
   ];
 
   services.ollama = {
-    enable = true;
+    enable = false;
     acceleration = "rocm";
     environmentVariables = {
       HSA_OVERRIDE_GFX_VERSION = "10.1.0";