remove unused import and unnecessary deprecation warning

lib/instance.js

@@ -1,12 +1,6 @@
-import { Meteor } from 'meteor/meteor';
 import { WebApp } from 'meteor/webapp';
 import { PickerImp } from './implementation';
 
-Meteor.startup(() => {
-  console.debug('communitypackages:picker has been deprecated! It is still fine to use with Meteor 2, but for Meteor 3 you can use the webapp package itself as it now has all the capabilities that Picker was made to compensate for.')
-  console.debug('See the repository for more information: https://github.com/Meteor-Community-Packages/picker')
-})
-
 export const Picker = new PickerImp();
 WebApp.handlers.use(async function(req, res, next) {
   await Picker._dispatch(req, res, next);

test/instance.js

@@ -1,10 +1,7 @@
 import { Picker } from 'meteor/communitypackages:picker';
-// TODO replace HTTP with fetch
-import { HTTP } from 'meteor/http';
 import { Random } from 'meteor/random';
 import { Meteor } from 'meteor/meteor';
 import { fetch } from 'meteor/fetch';
-import { check } from 'meteor/check';
 import { should, assert } from 'chai';
 
 should();