Revert "[SEARCH-1445] Added ThrowingFunction utility class."

This reverts commit 43537d6

search-services/alfresco-search/src/main/java/org/alfresco/solr/utils/ThrowingFunction.java

@@ -1,35 +0,0 @@
-/*
- * Copyright (C) 2005-2019 Alfresco Software Limited.
- *
- * This file is part of Alfresco
- *
- * Alfresco is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Alfresco is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
- */
-
-package org.alfresco.solr.utils;
-
-/**
- * @author elia
- *
- * Class used to use a lambda throwing a catched exceptino
- *
- * @param <T> the type of the input to the function
- * @param <R> the type of the result of the function
- *
- */
-@FunctionalInterface
-public interface ThrowingFunction<T, R, E extends Throwable> {
-    R apply(T t) throws E;
-}
-