fix(@embark/storage): Allow upload when storage is disabled

Even when the storage config sets storage to disabled, upload should still be allowed, as uploaded dapps should have the ability to NOT use storage once uploaded.

packages/embark/src/cmd/cmd_controller.js

@@ -716,7 +716,7 @@ class EmbarkController {
     async.waterfall([
       function initEngine(callback) {
         engine.init({}, () => {
-          if (engine.config.embarkConfig.config.storage === false || engine.config.storageConfig.enabled === false) {
+          if (engine.config.embarkConfig.config.storage === false) {
             engine.logger.error(__('Storage configuration is disabled in embark.json. Please provide a storage file before uploading'));
             engine.logger.info(__('You can find an example here: %s', 'https://github.com/embarklabs/embark/blob/master/templates/demo/config/storage.js'.underline));
             process.exit(1);