types: set the types to the origin package alias and remove trade client

[j75689]

Description

This a refactor PR, it tries to clean the code and remove useless trade-related client. It is a breaking change PR.

Rationale

The following changes are made in this PR:

1. Trade-related APIs are removed, like order, market, and depth;
2. The WebSocket client is removed and no longer supported.
3. Since BNB Beacon Chain is open-sourced now, there is no need to repeatedly define the transaction msg, we just alias types to reduce code.
4. The go module changed from binance-chain to bnb-chain

Example

No.

Changes

Breaking changes:

1. Trade related APIs are removed;
2. The go module name is changed.