sensu-go: 6.11.0 -> 6.13.1

- delete patch file since changes are upstreamed

pkgs/servers/monitoring/sensu-go/default.nix

@@ -14,26 +14,19 @@ let
     }:
     buildGoModule rec {
       inherit pname;
-      version = "6.11.0";
-      shortRev = "9587df6"; # for internal version info
+      version = "6.13.1";
+      shortRev = "591ed6e"; # for internal version info
 
       src = fetchFromGitHub {
         owner = "sensu";
         repo = "sensu-go";
         rev = "v${version}";
-        sha256 = "sha256-Vcay8vUYLjV65g526btQX0+m5n/cRocIKx7C2LuWeP4=";
+        sha256 = "sha256-VYdm1aNz1IXvDezrJB5yyViIWPl4zf4/xmkw2pm8gyk=";
       };
 
       inherit subPackages postInstall;
 
-      vendorHash = "sha256-ADqU/ZJiyZ5hAkqFXExmA8fSZxzhx42QptYu3TIlgBc=";
-
-      patches = [
-        # Without this, we get error messages like:
-        # vendor/golang.org/x/sys/unix/mremap.go:41:10: unsafe.Slice requires go1.17 or later (-lang was set to go1.16; check go.mod)
-        # The patch was generated by changing "go 1.16" to "go 1.21" and executing `go mod tidy`.
-        ./fix-go-version-error.patch
-      ];
+      vendorHash = "sha256-32jz5CI94BZxMDo6Crc05DDvlXxMsldJpWvhfHLS37o=";
 
       doCheck = false;