samples: delete unspecified sample (#671)

* samples: delete unspecified sample

* fixed lint issue

* updated readme

Author: shaffeeullah

storage/samples/snippets/public_access_prevention_test.py

@@ -12,15 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import pytest
 
 import storage_get_public_access_prevention
 import storage_set_public_access_prevention_enforced
 import storage_set_public_access_prevention_inherited
-import storage_set_public_access_prevention_unspecified
 
 
-@pytest.mark.skip(reason="Inconsistent due to unspecified->inherited change")
 def test_get_public_access_prevention(bucket, capsys):
     short_name = storage_get_public_access_prevention
     short_name.get_public_access_prevention(bucket.name)
@@ -35,14 +32,6 @@ def test_set_public_access_prevention_enforced(bucket, capsys):
     assert f"Public access prevention is set to enforced for {bucket.name}." in out
 
 
-@pytest.mark.skip(reason="Inconsistent due to unspecified->inherited change")
-def test_set_public_access_prevention_unspecified(bucket, capsys):
-    short_name = storage_set_public_access_prevention_unspecified
-    short_name.set_public_access_prevention_unspecified(bucket.name)
-    out, _ = capsys.readouterr()
-    assert f"Public access prevention is 'unspecified' for {bucket.name}." in out
-
-
 def test_set_public_access_prevention_inherited(bucket, capsys):
     short_name = storage_set_public_access_prevention_inherited
     short_name.set_public_access_prevention_inherited(bucket.name)