chore(fast-inbox): delete dead InboxLeaf class (A-1388)

Author: spalladino

yarn-project/archiver/src/l1/data_retrieval.ts

@@ -363,7 +363,7 @@ export async function retrieveL1ToL2Message(
  * @param inbox - The inbox contract wrapper.
  * @param searchStartBlock - The block number to use for starting the search.
  * @param searchEndBlock - The highest block number that we should search up to.
- * @returns An array of InboxLeaf and next eth block to search from.
+ * @returns The L1 to L2 messages retrieved from the Inbox, as an array of InboxMessage.
  */
 export async function retrieveL1ToL2Messages(
   inbox: InboxContract,

yarn-project/stdlib/src/messaging/inbox_leaf.ts

@@ -1,7 +1,6 @@
 export * from './append_l1_to_l2_messages.js';
 export * from './inbox_bucket.js';
 export * from './inbox_consumption.js';
-export * from './inbox_leaf.js';
 export * from './inbox_rolling_hash.js';
 export * from './l1_to_l2_message_bundle.js';
 export * from './l1_to_l2_message_sponge.js';