actually remove commented-out code

crates/runtime/src/continuation.rs

@@ -88,62 +88,6 @@ pub fn drop_cont_obj(contobj: *mut ContinuationObject) {
         unsafe { Vec::from_raw_parts(payloads.data, payloads.length, payloads.capacity) };
 }
 
-// /// TODO
-// pub fn allocate_payload_buffer(instance: &mut Instance, element_count: usize) -> *mut u128 {
-//     // In the current design, we allocate a `Vec<u128>` and store a pointer to
-//     // it in the `VMContext` payloads pointer slot. We then return the pointer
-//     // to the `Vec`'s data, not to the `Vec` itself.
-//     // This is mostly for debugging purposes, since the `Vec` stores its size.
-//     // Alternatively, we may allocate the buffer ourselves here and store the
-//     // pointer directly in the `VMContext`. This would avoid one level of
-//     // pointer indirection.
-
-//     let payload_ptr =
-//         unsafe { instance.get_typed_continuations_payloads_ptr_mut() as *mut *mut Vec<u128> };
-
-//     // FIXME(frank-emrich) This doesn't work, yet, because we don't zero-initialize the
-//     // payload pointer field in the VMContext, meaning that it may initially contain garbage.
-//     // Ensure that there isn't an active payload buffer. If there was, we didn't clean up propertly
-//     // assert!(unsafe { (*payload_ptr).is_null() });
-
-//     let mut vec = Box::new(Vec::<u128>::with_capacity(element_count));
-
-//     let vec_data = (*vec).as_mut_ptr();
-//     unsafe {
-//         *payload_ptr = Box::into_raw(vec);
-//     }
-//     return vec_data;
-// }
-
-// /// TODO
-// pub fn deallocate_payload_buffer(instance: &mut Instance, element_count: usize) {
-//     let payload_ptr =
-//         unsafe { instance.get_typed_continuations_payloads_ptr_mut() as *mut *mut Vec<u128> };
-
-//     let vec = unsafe { Box::from_raw(*payload_ptr) };
-
-//     // If these don't match something went wrong.
-//     assert_eq!(vec.capacity(), element_count);
-
-//     unsafe { *payload_ptr = ptr::null_mut() };
-
-//     // payload buffer destroyed when `vec` goes out of scope
-// }
-
-// /// TODO
-// pub fn get_payload_buffer(instance: &mut Instance, element_count: usize) -> *mut u128 {
-//     let payload_ptr =
-//         unsafe { instance.get_typed_continuations_payloads_ptr_mut() as *mut *mut Vec<u128> };
-
-//     let vec = unsafe { (*payload_ptr).as_mut().unwrap() };
-
-//     // If these don't match something went wrong.
-//     assert_eq!(vec.capacity(), element_count);
-
-//     let vec_data = vec.as_mut_ptr();
-//     return vec_data;
-// }
-
 /// TODO
 #[inline(always)]
 pub fn cont_new(