Method removePropValLocally

lib/src/resource.ts:244–246

* Removes a property value combination from this resource, does not store the * remove action in Commit

(propertyUrl: string)

   * remove action in Commit
   */
  removePropValLocally(propertyUrl: string): void {
    this.propvals.delete(propertyUrl);
  }

  /**
   * Commits the changes and sends the Commit to the resource's `/commit`