TST: remove redundant and flaky test

Looking for the string 'any' in the wheel filenames triggers when the
platform tag contains the string 'manylinux'. The ABI and platform
tags are anyhow verified a few lines above.

tests/test_wheel.py

@@ -108,11 +108,6 @@ def test_scipy_like(wheel_scipy_like):
     assert name.group('abi') == INTERPRETER_TAG
     assert name.group('plat') == PLATFORM_TAG
 
-    # Extra checks to doubly-ensure that there are no issues with erroneously
-    # considering a package with an extension module as pure
-    assert 'none' not in wheel_filename(artifact)
-    assert 'any' not in wheel_filename(artifact)
-
 
 @pytest.mark.skipif(platform.system() != 'Linux', reason='Needs library vendoring, only implemented in POSIX')
 def test_contents(package_library, wheel_library):