chore(etna): remove cloudflare-go

cloudflared 2025.6.1 dropped the dependency on cloudflare-go as part of
lifting up to go 1.24, see
43a3ba347b

exprs/go-no-vendor-1.22.patch

@@ -1,23 +0,0 @@
-Starting from go1.14, go verifes that vendor/modules.txt matches the requirements
-and replacements listed in the main module go.mod file, and it is a hard failure if
-vendor/modules.txt is missing.
-
-Relax module consistency checks and switch back to pre go1.14 behaviour if
-vendor/modules.txt is missing regardless of go version requirement in go.mod.
-
-This has been ported from FreeBSD: https://reviews.freebsd.org/D24122
-See https://github.com/golang/go/issues/37948 for discussion.
-
-diff --git a/src/cmd/go/internal/modload/vendor.go b/src/cmd/go/internal/modload/vendor.go
-index b2cb44100e..05bf3829d5 100644
---- a/src/cmd/go/internal/modload/vendor.go
-+++ b/src/cmd/go/internal/modload/vendor.go
-@@ -159,7 +159,7 @@ func checkVendorConsistency(indexes []*modFileIndex, modFiles []*modfile.File, m
- 			panic(fmt.Errorf("not in workspace mode but number of indexes is %v, not 1", len(indexes)))
- 		}
- 		index := indexes[0]
--		if gover.Compare(index.goVersion, "1.14") < 0 {
-+		if gover.Compare(index.goVersion, "1.14") < 0 || (os.Getenv("GO_NO_VENDOR_CHECKS") == "1" && len(vendorMeta) == 0) {
- 			// Go versions before 1.14 did not include enough information in
- 			// vendor/modules.txt to check for consistency.
- 			// If we know that we're on an earlier version, relax the consistency check.

systems/etna/default.nix

@@ -1,6 +1,5 @@
 {
   lib,
-  pkgs,
   config,
   _utils,
   ...
@@ -8,30 +7,6 @@
 let
   tunnelId = "57f51ad7-25a0-45f3-b113-0b6ae0b2c3e5";
 
-  patchedCloudflared = pkgs.cloudflared.override {
-    buildGoModule = pkgs.buildGoModule.override {
-      go = pkgs.buildPackages.go_1_23.overrideAttrs (old: {
-        pname = "cloudflare-go";
-        version = "1.22.5-devel-cf";
-
-        src = pkgs.fetchFromGitHub {
-          owner = "cloudflare";
-          repo = "go";
-          rev = "af19da5605ca11f85776ef7af3384a02a315a52b";
-          hash = "sha256-6VT9CxlHkja+mdO1DeFoOTq7gjb3T5jcf2uf9TB/CkU=";
-        };
-
-        patches = map (
-          patch:
-          if (baseNameOf patch == "go_no_vendor_checks-1.23.patch") then
-            ../../exprs/go-no-vendor-1.22.patch
-          else
-            patch
-        ) old.patches;
-      });
-    };
-  };
-
   secrets = _utils.setupSharedSecrets config { secrets = [ "frpToken" ]; };
   cfTunnelSecret = _utils.setupSingleSecret config "tunnelCreds" { };
 in
@@ -101,7 +76,6 @@ in
 
     cloudflared = {
       enable = true;
-      package = patchedCloudflared.overrideAttrs { meta.broken = false; };
       tunnels.${tunnelId} = {
         credentialsFile = cfTunnelSecret.path;
         default = "http_status:404";