Drop old deprecated code

docs/releases/development.rst

@@ -8,3 +8,13 @@ Next release (in development)
 * Add support for Python 3.14 and drop support for Python 3.11,
   following `SPEC-0 <https://scientific-python.org/specs/spec-0000/>`_.
   (:pr:`201`).
+* Drop all previously deprecated functionality:
+  support for shapely versions older than 2.0,
+  support for cartopy versions older than 0.23.0,
+  the ``emsarray.Format`` and ``emsarray.get_file_format()`` aliases,
+  the renamed Convention methods ``_get_data_array()``,
+  ``get_time_name()``, ``get_depth_name()``, ``get_all_depth_names()``,
+  ``unravel_index()``, ``make_linear()``, ``make_patch_collection()``,
+  ``spatial_index()``, ``get_grid_kind_and_size()``,
+  and ``NonIntersectingPoints.indices``
+  (:pr:`202`).

src/emsarray/__init__.py

@@ -2,8 +2,6 @@
 emsarray - xarray utilities for various non-CF grid data conventions
 """
 import importlib.metadata
-import warnings
-from typing import Any
 
 from . import tutorial
 from .accessors import ems_accessor
@@ -16,20 +14,3 @@
     "ems_accessor",
     "Convention", "get_dataset_convention", "open_dataset",
 ]
-
-
-def __getattr__(name: str) -> Any:
-    old_new = {
-        'Format': ('Convention', 'emsarray.formats.Format'),
-        'get_file_format': ('get_dataset_convention', 'emsarray.formats.get_file_format'),
-    }
-    if name in old_new:
-        new, old_path = old_new[name]
-        warnings.warn(
-            f"emsarray.{name} has been renamed to emsarray.{new}",
-            category=DeprecationWarning,
-            stacklevel=2)
-        old_module, old_name = old_path.rsplit('.', 1)
-        return getattr(importlib.import_module(old_module), old_name)
-
-    raise AttributeError(f"{name} is not defined")