[ADF-2149] Update ng-packagr to 2.0.0 (#2935)

* ng-packagr version 2.0.0 core fixes

* fix content services jsdoc

* fix process service jsdoc

* last update new build 2.0.0

* fix comment jsdoc

lib/core/userinfo/services/bpm-user.service.ts

@@ -27,7 +27,6 @@ import 'rxjs/add/observable/throw';
  *
  * BPMUserService retrieve all the information of an Ecm user.
  *
- * @returns {BPMUserService} .
  */
 @Injectable()
 export class BpmUserService {
@@ -53,7 +52,6 @@ export class BpmUserService {
     /**
      * Throw the error
      * @param error
-     * @returns {ErrorObservable}
      */
     private handleError(error: Response) {
         // in a real world app, we may send the error to some remote logging infrastructure