Revert "Fixed 32-bit test failures"

This reverts commit 5099573.

Author: TomAugspurger

pandas/tests/extension/base/getitem.py

@@ -48,8 +48,7 @@ def test_loc_series(self, data):
         tm.assert_series_equal(result, expected)
 
     def test_loc_frame(self, data):
-        df = pd.DataFrame({"A": data, 'B': np.arange(len(data),
-                                                     dtype='int64')})
+        df = pd.DataFrame({"A": data, 'B': np.arange(len(data))})
         expected = pd.DataFrame({"A": data[:4]})
 
         # slice -> frame

pandas/tests/extension/decimal/array.py

@@ -68,7 +68,7 @@ def isna(self):
     def take(self, indexer, allow_fill=True, fill_value=None):
         mask = indexer == -1
 
-        out = self.values.take(indexer.astype(np.intp))
+        out = self.values.take(indexer)
         out[mask] = self._na_value
 
         return type(self)(out)