Remove top-level Ember imports from generated authenticators (#1055)
Remove top-level Ember imports from generated authenticators (#1055)

`Ember` is not used in any of the generated authenticators and only makes jshint sad.
simplabs/ember-simple-auth,leuprechtroman/ember-simple-auth,stevenwu/ember-simple-auth,omniboard/ember-simple-auth,leuprechtroman/ember-simple-auth,omniboard/ember-simple-auth,stevenwu/ember-simple-auth,vdveer/ember-simple-auth,dknutsen/ember-simple-auth,simplabs/ember-simple-auth,vdveer/ember-simple-auth,dknutsen/ember-simple-auth,kylemellander/ember-simple-auth,kylemellander/ember-simple-auth,clairton/ember-simple-auth,clairton/ember-simple-auth