Issue #2647124 by longwave, alexpott: Remove unused OperationsProviderInterface

core/lib/Drupal/Core/Operations/OperationsProviderInterface.php

-<?php
-
-namespace Drupal\Core\Operations;
-
-/**
- * Defines an interface for providing operations links.
- */
-interface OperationsProviderInterface {
-
-  /**
-   * Returns a list of operation links available for this block.
-   *
-   * @return array
-   *   Array of operation links.
-   */
-  public function getOperationLinks();
-
-}