remove ethers/wordlists

[wuyahuang]

1. install client-sdk-js

npm i PlatONnetwork/client-sdk-js#master

2. require web3

const Web3 = require('web3');

output error:

internal/modules/cjs/loader.js:670
    throw err;
    ^

Error: Cannot find module 'ethers/wordlists'
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:668:15)
    at Function.Module._load (internal/modules/cjs/loader.js:591:27)
    at Module.require (internal/modules/cjs/loader.js:723:19)
    at require (internal/modules/cjs/helpers.js:14:16)
    at Object.<anonymous> (/home/yy/contracts/platon-hackathon/client/node_modules/web3/packages/web3-ppos/index.js:8:16)
    at Module._compile (internal/modules/cjs/loader.js:816:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:827:10)
    at Module.load (internal/modules/cjs/loader.js:685:32)
    at Function.Module._load (internal/modules/cjs/loader.js:620:12)
    at Module.require (internal/modules/cjs/loader.js:723:19)

web3 module ethers/wordlists is never used, and not installed in package.json.

It's works after remove require ethers/wordlists.

[biganxin]

@luo-dahui

[wuyahuang]

branch 0.15.1-develop is works as expected, maybe branch master is not merged.

npm i PlatONnetwork/client-sdk-js#0.15.1-develop