CLN: pd.options.html.border (#26540)

* CLN: pd.options.html.border

* Remove html.border option

doc/source/whatsnew/v0.25.0.rst

@@ -315,6 +315,7 @@ Removal of prior version deprecations/changes
 - Removed the previously deprecated ``sheetname`` keyword in :func:`read_excel` (:issue:`16442`, :issue:`20938`)
 - Removed the previously deprecated ``TimeGrouper`` (:issue:`16942`)
 - Removed the previously deprecated ``parse_cols`` keyword in :func:`read_excel` (:issue:`16488`)
+- Removed the previously deprecated ``pd.options.html.border`` (:issue:`16970`)
 
 .. _whatsnew_0250.performance:
 

pandas/core/config_init.py

@@ -185,11 +185,6 @@ def use_numexpr_cb(key):
     for the DataFrame HTML repr.
 """
 
-pc_html_border_deprecation_warning = """\
-html.border has been deprecated, use display.html.border instead
-(currently both are identical)
-"""
-
 pc_html_use_mathjax_doc = """\
 : boolean
     When True, Jupyter notebook will process table contents using MathJax,
@@ -363,14 +358,6 @@ def is_terminal():
     cf.register_option('html.use_mathjax', True, pc_html_use_mathjax_doc,
                        validator=is_bool)
 
-with cf.config_prefix('html'):
-    cf.register_option('border', 1, pc_html_border_doc,
-                       validator=is_int)
-
-cf.deprecate_option('html.border', msg=pc_html_border_deprecation_warning,
-                    rkey='display.html.border')
-
-
 tc_sim_interactive_doc = """
 : boolean
     Whether to simulate interactive mode for purposes of testing

pandas/core/frame.py

@@ -2160,7 +2160,7 @@ def to_html(self, buf=None, columns=None, col_space=None, header=True,
             Whether the generated HTML is for IPython Notebook.
         border : int
             A ``border=border`` attribute is included in the opening
-            `<table>` tag. Default ``pd.options.html.border``.
+            `<table>` tag. Default ``pd.options.display.html.border``.
 
             .. versionadded:: 0.19.0
 

pandas/io/formats/format.py

@@ -729,7 +729,7 @@ def to_html(self, classes=None, notebook=False, border=None):
             Whether the generated HTML is for IPython Notebook.
         border : int
             A ``border=border`` attribute is included in the opening
-            ``<table>`` tag. Default ``pd.options.html.border``.
+            ``<table>`` tag. Default ``pd.options.display.html.border``.
 
             .. versionadded:: 0.19.0
          """

pandas/tests/io/formats/test_to_html.py

@@ -244,12 +244,6 @@ def test_to_html_border(option, result, expected):
     assert expected in result
 
 
-def test_display_option_warning():
-    with tm.assert_produces_warning(FutureWarning,
-                                    check_stacklevel=False):
-        pd.options.html.border
-
-
 @pytest.mark.parametrize('biggie_df_fixture', ['mixed'], indirect=True)
 def test_to_html(biggie_df_fixture):
     # TODO: split this test