[deprecation] Make '_format-option-value' private and update TODOs (#8469)

Author: Pierre-Sassoulas

pylint/utils/__init__.py

@@ -14,7 +14,6 @@
     HAS_ISORT_5,
     IsortDriver,
     _check_csv,
-    _format_option_value,
     _splitstrip,
     _unquote,
     decoding_stream,
@@ -33,7 +32,6 @@
     "HAS_ISORT_5",
     "IsortDriver",
     "_check_csv",
-    "_format_option_value",
     "_splitstrip",
     "_unquote",
     "decoding_stream",

pylint/utils/utils.py

@@ -258,7 +258,7 @@ def _comment(string: str) -> str:
 def _format_option_value(optdict: OptionDict, value: Any) -> str:
     """Return the user input's value from a 'compiled' value.
 
-    TODO: 3.0: Remove deprecated function
+    TODO: Refactor the code to not use this deprecated function
     """
     if optdict.get("type", None) == "py_version":
         value = ".".join(str(item) for item in value)