Editorial: sync definitions.py and CanonicalABI.md

Author: lukewagner

design/mvp/CanonicalABI.md

@@ -3230,7 +3230,7 @@ specifies:
 Calling `$f` invokes the following function which uses `Task.return_` to lift
 and pass the results to the caller:
 ```python
-async def canon_task_return(task, result_type, opts: LiftLowerOptions, flat_args):
+async def canon_task_return(task, result_type, opts: LiftOptions, flat_args):
   trap_if(not task.inst.may_leave)
   trap_if(task.opts.sync and not task.opts.always_task_return)
   trap_if(result_type != task.ft.results)

design/mvp/canonical-abi/definitions.py

@@ -644,9 +644,8 @@ class ReadableStream:
   t: ValType
   read: Callable[[WritableBuffer, OnPartialCopy, OnCopyDone], Literal['done','blocked']]
   cancel: Callable[[], None]
-  close: Callable[[Optional[ErrorContext]]]
+  close: Callable[[]]
   closed: Callable[[], bool]
-  closed_with: Callable[[], Optional[ErrorContext]]
 
 class ReadableStreamGuestImpl(ReadableStream):
   impl: ComponentInstance