Description: Fix FTBFS due to: "ValueError: got unknown compiler directive: freethreading_compatible"
Author: Bas Couwenberg <sebastic@debian.org>
Bug: https://github.com/pyproj4/pyproj/discussions/1518

--- a/setup.py
+++ b/setup.py
@@ -142,7 +142,6 @@ def get_cythonize_options():
             "c_string_type": "str",
             "c_string_encoding": "utf-8",
             "embedsignature": True,
-            "freethreading_compatible": True,
         },
     }
     if os.environ.get("PYPROJ_FULL_COVERAGE"):