removed ledger completely. v3.0.1

2.16.3

remove dependency and all references of node-hid

fix decode issue

Added decoded address length check (bnb-chain#158)

* Added prefix address string check and decoded address length check

* add space

* Length to len

* Change prefix to be obtained from param

* Put back TESTNET_PREFIX

* tbnb

* change var names

* bump package version

Api response (bnb-chain#134)

* change api response message format

* update version