Async storage has really noisy logs

[ajroetker]

Configuring the library with AsyncStorageWrites: leads to super noisy logs about mssing indexes from the unstable log.

v3@v3.6.0/log_unstable.go:138	entry at index 97 missing from unstable log; ignoring	{"id": "4", "module": "store", "shardID": "27a"}