Delete package-lock.json.
Delete package-lock.json.

The file is unused and confusing, given there is also the yarn lockfile.

drjanitor/tsickle,drjanitor/tsickle,alexeagle/tsickle,drjanitor/tsickle,angular/tsickle,alexeagle/tsickle,alexeagle/tsickle,angular/tsickle,drjanitor/tsickle