test: Remove test for warnings when subclassing route handler decorat…

…ors (#3529)

Remove deprecated test

tests/unit/test_handlers/test_http_handlers/test_deprecation.py

@@ -1,28 +0,0 @@
-from __future__ import annotations
-
-from importlib import reload
-from warnings import catch_warnings, simplefilter
-
-import pytest
-
-from litestar.handlers import delete, get, head, patch, post, put
-
-
-@pytest.mark.parametrize("handler_cls", [get, post, put, patch, delete, head])
-def test_subclass_warns_deprecation(handler_cls: get | post | put | patch | delete | head) -> None:
-    with pytest.warns(DeprecationWarning):
-
-        class SubClass(handler_cls):  # type: ignore[valid-type, misc]
-            pass
-
-
-def test_default_no_warns() -> None:
-    with catch_warnings(record=True) as warnings:
-        simplefilter("always")
-        import litestar.handlers.http_handlers.decorators
-
-        reload(litestar.handlers.http_handlers.decorators)
-        assert len(warnings) == 0
-
-        # revert to previous filter
-        simplefilter("default")