Cleanup python-reorder-imports usage (#709)

Author: cdce8p

README.md

@@ -88,8 +88,7 @@ Number of files to process concurrently during initial load.
 
 **`--full-reorder`**  
 Use additional options from [python-reorder-imports][pri] to rewrite
-- `--py38-plus` (default): Imports from `mypy_extensions` and `typing_extensions` when possible.
-- `--py39-plus`: Rewrite [PEP 585][PEP585] typing imports. Additionally `typing.Hashable` and `typing.Sized` will also be replaced by their `collections.abc` equivalents.
+- Imports from `mypy_extensions` and `typing_extensions` when possible.
 
 **`--keep-updates`**  
 Keep updates even if no import was removed. Use with caution, might result in more errors.

python_typing_update/main.py

@@ -46,14 +46,7 @@ async def typing_update(
 
     # Add, replace and reorder imports
     reorder_args: list[str] = []
-    if args.min_version < (3, 10):
-        reorder_args += ['--add-import', 'from __future__ import annotations']
     if args.full_reorder:
-        if args.min_version >= (3, 9):
-            reorder_args += [
-                '--replace-import', 'typing=collections.abc:Hashable',
-                '--replace-import', 'typing=collections.abc:Sized',
-            ]
         reorder_args.append(version_string)
     reorder_args.append(filename)
     await loop.run_in_executor(