Remove compatibility code for legacy Windows CWD

Author: ichard26

src/pip/_internal/cli/parser.py

@@ -9,9 +9,9 @@
 import textwrap
 from collections.abc import Generator
 from contextlib import suppress
-from typing import IO, Any, NoReturn
+from typing import Any, NoReturn
 
-from pip._vendor.rich.console import Console, RenderableType, detect_legacy_windows
+from pip._vendor.rich.console import Console, RenderableType
 from pip._vendor.rich.markup import escape
 from pip._vendor.rich.style import StyleType
 from pip._vendor.rich.text import Text
@@ -244,22 +244,6 @@ def option_list_all(self) -> list[optparse.Option]:
 
         return res
 
-    def _print_ansi(self, text: str, file: IO[str] | None = None) -> None:
-        if file is None:
-            file = sys.stdout
-        if detect_legacy_windows():
-            console = Console(file=file)
-            console.print(Text.from_ansi(text), soft_wrap=True)
-        else:
-            file.write(text)
-
-    def print_usage(self, file: IO[str] | None = None) -> None:
-        if self.usage:
-            self._print_ansi(self.get_usage(), file=file)
-
-    def print_help(self, file: IO[str] | None = None) -> None:
-        self._print_ansi(self.format_help(), file=file)
-
 
 class ConfigOptionParser(CustomOptionParser):
     """Custom option parser which updates its defaults by checking the