update setup.cfg

Author: thoo

setup.cfg

@@ -257,24 +257,6 @@ skip=
     pandas/tests/indexes/period/test_partial_slicing.py,
     pandas/tests/indexes/period/test_ops.py,
     pandas/tests/indexes/period/test_formats.py,
-    pandas/tests/indexes/interval/test_construction.py,
-    pandas/tests/indexes/interval/test_interval_new.py,
-    pandas/tests/indexes/interval/test_interval.py,
-    pandas/tests/indexes/interval/test_interval_range.py,
-    pandas/tests/indexes/interval/test_astype.py,
-    pandas/tests/indexes/interval/test_interval_tree.py,
-    pandas/tests/indexes/timedeltas/test_indexing.py,
-    pandas/tests/indexes/timedeltas/test_construction.py,
-    pandas/tests/indexes/timedeltas/test_setops.py,
-    pandas/tests/indexes/timedeltas/test_timedelta.py,
-    pandas/tests/indexes/timedeltas/test_tools.py,
-    pandas/tests/indexes/timedeltas/test_arithmetic.py,
-    pandas/tests/indexes/timedeltas/test_astype.py,
-    pandas/tests/indexes/timedeltas/test_scalar_compat.py,
-    pandas/tests/indexes/timedeltas/test_partial_slicing.py,
-    pandas/tests/indexes/timedeltas/test_timedelta_range.py,
-    pandas/tests/indexes/timedeltas/test_ops.py,
-    pandas/tests/series/test_duplicates.py,
     pandas/tests/series/test_internals.py,
     pandas/tests/series/test_quantile.py,
     pandas/tests/series/test_period.py,