DOC: Replace skip_deprecated extension by standard Sphinx metadata

Author: QuLogic

doc/conf.py

@@ -134,7 +134,6 @@ def _parse_skip_subdirs_file():
     'sphinxext.mock_gui_toolkits',
     'sphinxext.rcparams',
     'sphinxext.redirect_from',
-    'sphinxext.skip_deprecated',
     'sphinx_copybutton',
     'sphinx_design',
     'sphinx_tags',

doc/sphinxext/skip_deprecated.py

@@ -579,17 +579,19 @@ def to_hex(c, keep_alpha=False):
 ### Backwards-compatible color-conversion API
 
 
-cnames = CSS4_COLORS
-hexColorPattern = re.compile(r"\A#[a-fA-F0-9]{6}\Z")
-rgb2hex = to_hex
-hex2color = to_rgb
+cnames = CSS4_COLORS  #: :meta private:
+hexColorPattern = re.compile(r"\A#[a-fA-F0-9]{6}\Z")  #: :meta private:
+rgb2hex = to_hex  #: :meta private:
+hex2color = to_rgb  #: :meta private:
 
 
 class ColorConverter:
     """
     A class only kept for backwards compatibility.
 
     Its functionality is entirely provided by module-level functions.
+
+    :meta private:
     """
     colors = _colors_full_map
     cache = _colors_full_map.cache