[Tslint] Let's move to eslint's typescript config

[jeremybarbet]

Palantir maintaining tslint announced they will stop working on it as soon as eslint/tslint configs will be more mature. It's an agreement made between Microsoft (typescript) / eslint / palantir (tslint)

Cf:
https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/parser
https://medium.com/palantir/tslint-in-2019-1a144c2317a9?fbclid=IwAR0JfKT8leqEQhogOvmmPBESP5ZBrgYFFsrtpdox42pX_b-dWVgQvle14eQ