Removed duplicated include

Change-Id: I5c82c0b216dd680d5cbac154a276bbd09fa32477
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/117667
Tested-by: Jenkins
Reviewed-by: Andrea Gelmini <andrea.gelmini@gelma.net>
diff --git a/package/inc/ZipPackageFolder.hxx b/package/inc/ZipPackageFolder.hxx
index 6be8063..75889a6 100644
--- a/package/inc/ZipPackageFolder.hxx
+++ b/package/inc/ZipPackageFolder.hxx
@@ -23,7 +23,6 @@
#include <com/sun/star/container/XEnumerationAccess.hpp>
#include <com/sun/star/beans/StringPair.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/lang/XUnoTunnel.hpp>
#include "ZipPackageEntry.hxx"
#include <cppuhelper/implbase.hxx>