Remove _html_escape for faicons 0.2.1

Co-Authored-By: Winston Chang <[email protected]>

Author: schloerke

htmltools/_util.py

@@ -123,10 +123,6 @@ def html_escape(text: str, attr: bool = False) -> str:
     return text
 
 
-# Backwards compatibility with faicons 0.2.1
-_html_escape = html_escape
-
-
 # similar to base::system.file()
 def package_dir(package: str) -> str:
     with tempfile.TemporaryDirectory():