Asynchronously remove a content filter given its identifier.
When the operation is finished, callback will be invoked, which then can use webkit.user_content_filter_store.UserContentFilterStore.removeFinish to check whether the removal was successful.
a filter identifier
a #GCancellable or null to ignore
a #GAsyncReadyCallback to call when the removal is completed
Asynchronously remove a content filter given its identifier.
When the operation is finished, callback will be invoked, which then can use webkit.user_content_filter_store.UserContentFilterStore.removeFinish to check whether the removal was successful.