remove no longer needed code

gen/wcwidth.py

@@ -449,12 +449,6 @@ def gen_ucd() -> None:
             f.truncate()
             f.write(raw)
 
-    chars = ''.join(classes_to_regex(cz, exclude='\n\r'))
-    with open('tools/cmd/hints/url_regex.go', 'w') as f:
-        f.write('// generated by gen-wcwidth.py, do not edit\n\n')
-        f.write('package hints\n\n')
-        f.write(f'const URL_DELIMITERS = `{chars}`\n')
-
 
 def gen_names() -> None:
     aliases_map: Dict[int, Set[str]] = {}