python3Packages.opentracing: drop

Unmaintained since 2023:
https://github.com/opentracing/opentracing-python

OpenTracing is deprecated in favor of OpenTelemetry:
NixOS#261927

nixos/doc/manual/release-notes/rl-2505.section.md

@@ -93,6 +93,8 @@
 
 - `nodePackages.stackdriver-statsd-backend` has been removed, as the StackDriver service has been discontinued by Google, and therefore the package no longer works.
 
+- `python3Packages.opentracing` has been removed due to being unmaintained upstream. [OpenTelemetry](https://opentelemetry.io/) is the recommended replacement.
+
 - the notmuch vim plugin now lives in a separate output of the `notmuch`
   package. Installing `notmuch` will not bring the notmuch vim package anymore,
   add `vimPlugins.notmuch-vim` to your (Neo)vim configuration if you want the

pkgs/top-level/python-aliases.nix

@@ -398,6 +398,7 @@ mapAliases ({
   openllm-client = throw "openllm-client has been removed, since it is abandoned due to a change in philosophy"; # added 2024-08-24
   openllm-core = throw "openllm-core has been removed, since it is abandoned due to a change in philosophy"; # added 2024-08-24
   opsdroid_get_image_size = opsdroid-get-image-size; # added 2023-10-16
+  opentracing = throw "The opentracing Python module was removed due to being unmaintained upstream. Use OpenTelemetry instead.";
   ordereddict = throw "ordereddict has been removed because it is only useful on unsupported python versions."; # added 2022-05-28
   pafy = throw "pafy has been removed because it is unmaintained and only a dependency of mps-youtube, itself superseded by yewtube"; # Added 2023-01-19
   pam = python-pam; # added 2020-09-07.

pkgs/top-level/python-packages.nix

@@ -9675,8 +9675,6 @@ self: super: with self; {
     enablePython = true;
   });
 
-  opentracing = callPackage ../development/python-modules/opentracing { };
-
   opentsne = callPackage ../development/python-modules/opentsne { };
 
   opentypespec = callPackage ../development/python-modules/opentypespec { };