Revert "hosts/darwin02: use unstable telegraf"

This reverts commit 83ca767304.

fixed in nixpkgs

hosts/darwin02/telegraf.nix

@@ -1,22 +1,6 @@
-{ pkgs, ... }:
 {
   services.telegraf = {
     enable = true;
-    # can switch back to nixpkgs after > 1.26.3
-    package = pkgs.buildGoModule rec {
-      pname = "telegraf";
-      version = "1.26.3";
-      subPackages = [ "cmd/telegraf" ];
-      src = pkgs.fetchFromGitHub {
-        owner = "influxdata";
-        repo = "telegraf";
-        rev = "ebe346103ebfd96b63cdbd2f3f36b2258746c160";
-        hash = "sha256-j6VWbF6B7+TQlLNdQMwN7r4kOUGQi5c/PigNZhJA2Zk=";
-      };
-      vendorHash = "sha256-4WmXEa42zyeRGcdXe4REILYNMZZ83FVzDDaKFMnx37Y=";
-      proxyVendor = true;
-      ldflags = [ "-s" "-w" "-X=github.com/influxdata/telegraf/internal.Commit=${src.rev}" "-X=github.com/influxdata/telegraf/internal.Version=${version}" ];
-    };
     extraConfig = {
       agent.interval = "60s";
       inputs = {