Apply batched suggestions from code review

Co-authored-by: Christian Clauss <cclauss@me.com>

Author: cclauss

sorts/reversort.py

@@ -17,16 +17,13 @@
 python reversort.py
 """
 
-from typing import Any, Protocol, TypeVar
+from typing import Any, Protocol
 
 
 class Comparable(Protocol):
     def __lt__(self, other: Any, /) -> bool: ...
 
 
-T = TypeVar("T", bound=Comparable)
-
-
 def reversort[T: Comparable](collection: list[T]) -> list[T]:
     """
     Sort a list using the Reversort algorithm.