Revert "Add new optional beta email parser thats based on ImapEngine instead of Webklex"

This reverts commit 9cb1ff7330.

plugins/vendor/php-di/invoker/src/InvokerInterface.php

@@ -1,25 +0,0 @@
-<?php declare(strict_types=1);
-
-namespace Invoker;
-
-use Invoker\Exception\InvocationException;
-use Invoker\Exception\NotCallableException;
-use Invoker\Exception\NotEnoughParametersException;
-
-/**
- * Invoke a callable.
- */
-interface InvokerInterface
-{
-    /**
-     * Call the given function using the given parameters.
-     *
-     * @param callable|array|string $callable Function to call.
-     * @param array $parameters Parameters to use.
-     * @return mixed Result of the function.
-     * @throws InvocationException Base exception class for all the sub-exceptions below.
-     * @throws NotCallableException
-     * @throws NotEnoughParametersException
-     */
-    public function call($callable, array $parameters = []);
-}