Update DataFrame's _repr_html_, fix pandas-dev#10231

Author: danieljl

pandas/core/frame.py

@@ -538,8 +538,7 @@ def _repr_html_(self):
             max_cols = get_option("display.max_columns")
             show_dimensions = get_option("display.show_dimensions")
 
-            return ('<div style="max-height:1000px;'
-                    'max-width:1500px;overflow:auto;">\n' +
+            return ('<div>\n' +
                     self.to_html(max_rows=max_rows, max_cols=max_cols,
                                  show_dimensions=show_dimensions) + '\n</div>')
         else: