src: remove usages of GetBackingStore in WASI
This removes all usages of GetBackingStore in WASI. See the linked issue for an explanation.
Refs: https://github.com/nodejs/node/issues/32226 Refs: https://github.com/nodejs/node/pull/43921
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This removes all usages of GetBackingStore in WASI. See the linked issue for an explanation.
Refs: https://github.com/nodejs/node/issues/32226 Refs: https://github.com/nodejs/node/pull/43921