Remove test_raise from list of polluters

.github/workflows/ci.yaml

@@ -106,7 +106,6 @@ env:
     test_weakref
     test_yield_from
   ENV_POLLUTING_TESTS_COMMON: >-
-    test_raise
     test_ssl
     test_threading
   ENV_POLLUTING_TESTS_LINUX: >-

Lib/test/test_raise.py

@@ -464,11 +464,6 @@ class TestContext(unittest.TestCase):
 
         f()
 
-    import os  # TODO: RUSTPYTHON see below
-    @unittest.skipIf(
-        'RUSTPYTHON_SKIP_ENV_POLLUTERS' in os.environ,
-        "TODO: RUSTPYTHON environment pollution when running rustpython -m test --fail-env-changed due to unraisable exception"
-    )
     def test_3611(self):
         import gc
         # A re-raised exception in a __del__ caused the __context__