pytest-pretty and pytest-speed are not needed to run tests

--- pydantic_core-2.27.1/pyproject.toml.orig
+++ pydantic_core-2.27.1/pyproject.toml
@@ -60,9 +60,7 @@
     'pytest',
     # pytest-examples currently depends on aiohttp via black; we don't want to build it on platforms like aarch64 musllinux in CI
     'pytest-examples; implementation_name == "cpython" and platform_machine == "x86_64"',
-    'pytest-speed',
     'pytest-mock',
-    'pytest-pretty',
     'pytest-timeout',
     'python-dateutil',
     # numpy doesn't offer prebuilt wheels for all versions and platforms we test in CI e.g. aarch64 musllinux