Remove unused include

kioslave/src/common.h

-/*  This file is part of the KDE project
-    SPDX-FileCopyrightText: 2008 Jarosław Staniek <staniek@kde.org>
-
-    SPDX-License-Identifier: LGPL-2.0-or-later
-*/
-
-#pragma once
-
-#include <QCoreApplication>
-#include <QDir>
-#include <QFile>
-#include <stdio.h>
-
-extern "C" {
-#include <sasl/sasl.h>
-}
-
-inline bool initSASL()
-{
-#ifdef Q_OS_WIN // krazy:exclude=cpp
-    for (const auto &path : QCoreApplication::libraryPaths()) {
-        QDir dir(path);
-        if (dir.exists(QStringLiteral("sasl2"))) {
-            auto libInstallPath = QFile::encodeName(dir.absoluteFilePath(QStringLiteral("sasl2")));
-            if (sasl_set_path(SASL_PATH_TYPE_PLUGIN, libInstallPath.data()) != SASL_OK) {
-                fprintf(stderr, "SASL path initialization failed!\n");
-                return false;
-            }
-            break;
-        }
-    }
-#endif
-
-    if (sasl_client_init(NULL) != SASL_OK) {
-        fprintf(stderr, "SASL library initialization failed!\n");
-        return false;
-    }
-    return true;
-}
-