web3-providers-ws install issue in Windows

[EthyMoney]

Description

Installing web3 module in Windows environment fails at install script for web3-providers-ws due to a remove command issue.

Expected behavior

del should be used when executing remove commands in Windows.

Actual behavior

rm is being used to remove in Windows.

Steps to reproduce the behavior

Install web3 npm module normally while in Windows environment.

Error Logs

npm ERR! errno 1
npm ERR! web3-providers-ws@1.2.0 preinstall: `rm -rf node_modules/websocket/.git`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the web3-providers-ws@1.2.0 preinstall script.

Versions

• web3.js: 1.2.0
• nodejs: 12.7.0
• npm: 6.10.2
• environment: Windows 10 pro x64 build 1903

[deamme]

Same issue here.. It should be using https://github.com/isaacs/rimraf if possible

[nivida]

duplication of #2971 and will be released with 1.2.1