Remove get_font_config

Author: oscargus

lib/matplotlib/texmanager.py

@@ -31,7 +31,7 @@
 import numpy as np
 
 import matplotlib as mpl
-from matplotlib import _api, cbook, dviread
+from matplotlib import cbook, dviread
 
 _log = logging.getLogger(__name__)
 
@@ -105,15 +105,6 @@ def __new__(cls):
         Path(cls.texcache).mkdir(parents=True, exist_ok=True)
         return object.__new__(cls)
 
-    @_api.deprecated("3.6")
-    def get_font_config(self):
-        preamble, font_cmd = self._get_font_preamble_and_command()
-        # Add a hash of the latex preamble to fontconfig so that the
-        # correct png is selected for strings rendered with same font and dpi
-        # even if the latex preamble changes within the session
-        preambles = preamble + font_cmd + self.get_custom_preamble()
-        return hashlib.md5(preambles.encode('utf-8')).hexdigest()
-
     @classmethod
     def _get_font_family_and_reduced(cls):
         """Return the font family name and whether the font is reduced."""