message: Removing is_empty from types/src/account_state.rs
  Closes:
  Approved by: davidiw
diff: @@ -5,7 +5,7 @@ use crate::{
  account_address::AccountAddress,
  account_config::{
  type_tag_for_currency_code, AccountResource, AccountRole, BalanceResource, ChildVASP,
  - ChildVASPRole, CurrencyInfoResource, EmptyRole, ParentVASP, ParentVASPRole, UnhostedRole,
  + ChildVASPRole, EmptyRole, ParentVASP, ParentVASPRole, UnhostedRole,
  ACCOUNT_RECEIVED_EVENT_PATH, ACCOUNT_SENT_EVENT_PATH,
  },
  block_metadata::{LibraBlockResource, NEW_BLOCK_EVENT_PATH},
  @@ -137,10 +137,6 @@ impl AccountState {
  self.0.remove(key)
  }
  - pub fn is_empty(&self) -> bool {
  - self.0.is_empty()
  - }
  -
  pub fn iter(&self) -> impl std::iter::Iterator<Item = (&Vec<u8>, &Vec<u8>)> {
  self.0.iter()
  }
  