update setup.cfg

Author: thoo

setup.cfg

@@ -255,30 +255,10 @@ skip=
     pandas/tests/indexes/datetimes/test_missing.py,
     pandas/tests/indexes/datetimes/test_ops.py,
     pandas/tests/indexes/datetimes/test_formats.py,
-    pandas/tests/indexes/multi/test_duplicates.py,
     pandas/tests/indexes/multi/test_partial_indexing.py,
-    pandas/tests/indexes/multi/test_indexing.py,
-    pandas/tests/indexes/multi/test_get_set.py,
-    pandas/tests/indexes/multi/test_copy.py,
-    pandas/tests/indexes/multi/test_constructor.py,
     pandas/tests/indexes/multi/test_names.py,
-    pandas/tests/indexes/multi/test_equivalence.py,
     pandas/tests/indexes/multi/test_reshape.py,
-    pandas/tests/indexes/multi/test_compat.py,
-    pandas/tests/indexes/multi/test_contains.py,
-    pandas/tests/indexes/multi/test_sorting.py,
     pandas/tests/indexes/multi/test_format.py,
-    pandas/tests/indexes/multi/test_set_ops.py,
-    pandas/tests/indexes/multi/test_monotonic.py,
-    pandas/tests/indexes/multi/test_reindex.py,
-    pandas/tests/indexes/multi/test_drop.py,
-    pandas/tests/indexes/multi/test_integrity.py,
-    pandas/tests/indexes/multi/test_astype.py,
-    pandas/tests/indexes/multi/test_analytics.py,
-    pandas/tests/indexes/multi/test_missing.py,
-    pandas/tests/indexes/multi/conftest.py,
-    pandas/tests/indexes/multi/test_join.py,
-    pandas/tests/indexes/multi/test_conversion.py,
     pandas/tests/indexes/period/test_indexing.py,
     pandas/tests/indexes/period/test_construction.py,
     pandas/tests/indexes/period/test_asfreq.py,