Remove legacy support

CHANGES.rst

@@ -1,3 +1,9 @@
+v2.0.0
+======
+
+#4: Remove compatibility shim. ``[pytest.enabler]`` is no longer
+supported.
+
 v1.3.1
 ======
 

pytest_enabler/__init__.py

@@ -1,7 +1,6 @@
 import contextlib
 import shlex
 import sys
-import warnings
 
 import toml
 from jaraco.context import suppress
@@ -25,18 +24,7 @@ def none_as_empty(ob):
 def read_plugins(filename):
     with open(filename) as strm:
         defn = toml.load(strm)
-    return _read_plugins_legacy(defn) or defn["tool"]["pytest-enabler"]
-
-
-@suppress(KeyError)
-def _read_plugins_legacy(defn):
-    value = defn["pytest"]["enabler"]
-    msg = (
-        "pytest-enabler configuration should use the `[tool.pytest-enabler]` "
-        "table in pyproject.toml (`[pytest.enabler]` is now deprecated)."
-    )
-    warnings.warn(msg, DeprecationWarning)
-    return value
+    return defn["tool"]["pytest-enabler"]
 
 
 def pytest_load_initial_conftests(early_config, parser, args):

tests/test_enabler.py

@@ -30,23 +30,6 @@ def test_pytest_addoption(tmpdir_cur):
     assert args == ['--black']
 
 
-def test_pytest_addoption_legacy(tmpdir_cur):
-    pathlib.Path('pyproject.toml').write_text(
-        textwrap.dedent(
-            """
-            [pytest.enabler.black]
-            addopts = "--black"
-            """
-        )
-    )
-    config = mock.MagicMock()
-    config.pluginmanager.has_plugin = lambda name: name == 'black'
-    args = []
-    with pytest.warns(DeprecationWarning):
-        enabler.pytest_load_initial_conftests(config, None, args)
-    assert args == ['--black']
-
-
 def test_remove_deps(monkeypatch):
     """
     Invoke _remove_deps to push coverage.