Remove empty __init__ methods (#8816)

stdlib/reprlib.pyi

@@ -22,7 +22,6 @@ class Repr:
     maxlong: int
     maxstring: int
     maxother: int
-    def __init__(self) -> None: ...
     def repr(self, x: Any) -> str: ...
     def repr1(self, x: Any, level: int) -> str: ...
     def repr_tuple(self, x: tuple[Any, ...], level: int) -> str: ...