Remove babel from linting
Remove babel from linting

As Node natively supports all the code we have, without
the  need for transpiling, it simplifies things a little to
remove babel from eslint

uktrade/data-hub-fe-beta2,uktrade/data-hub-fe-beta2,uktrade/data-hub-frontend,uktrade/data-hub-frontend,uktrade/data-hub-frontend