message: [vm-runtime] switch a couple more spots to load_configs
  load_gas_schedule is going to go away soon, and the intent here is to reload configs.
  Closes:
  Approved by: runtian-zhou
diff: @@ -54,7 +54,11 @@ impl LibraVM {
  }
  pub fn load_configs(&mut self, state: &dyn StateView) {
  - self.load_gas_schedule(&RemoteStorage::new(state))
  + self.load_configs_impl(&RemoteStorage::new(state))
  + }
  +
  + fn load_configs_impl(&mut self, data_cache: &dyn RemoteCache) {
  + self.load_gas_schedule(data_cache)
  }
  fn load_gas_schedule(&mut self, data_cache: &dyn RemoteCache) {
  @@ -351,7 +355,7 @@ impl LibraVM {
  ) -> TransactionOutput {
  let (write_set, events) = change_set.into_inner();
  remote_cache.push_write_set(&write_set);
  - self.load_gas_schedule(remote_cache);
  + self.load_configs_impl(remote_cache);
  TransactionOutput::new(
  write_set,
  events,
  @@ -479,7 +483,7 @@ impl LibraVM {
  let mut result = vec![];
  let blocks = chunk_block_transactions(transactions);
  let mut data_cache = BlockDataCache::new(state_view);
  - self.load_gas_schedule(&data_cache);
  + self.load_configs_impl(&data_cache);
  for block in blocks {
  match block {
  TransactionBlock::UserTransaction(txns) => {
  