no arrow functions in clientside linting

[aflaherty13]

Arrow functions are a fairly recent addition to javascript, we should try and avoid them for the client side code as it will not run on older browsers. Essentially any browser only a few versions back, eg a few years old, this would include a lot of existing mobile browsers. This would prevent the user from using the registration and from logging in.

Uncaught SyntaxError: Unexpected token =>
login.js:1 Uncaught SyntaxError: Unexpected token )

[aflaherty13]

This will require reverting a lot of the clientside linting and removing the arrow functions from the es-lint client config.

[dmcfaddengalway]

I think for right now, we ought to just leave it and work on getting database filling in, we can always go back later for this. But I see the importance of it