remove reference to deleted files in pch

Change-Id: I1c51cc094dae710abd0d13169f5c0973908c13d8
Reviewed-on: https://gerrit.libreoffice.org/36355
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
diff --git a/xmlsecurity/inc/pch/precompiled_xsec_gpg.hxx b/xmlsecurity/inc/pch/precompiled_xsec_gpg.hxx
index 1c6a9bf..9f43021 100644
--- a/xmlsecurity/inc/pch/precompiled_xsec_gpg.hxx
+++ b/xmlsecurity/inc/pch/precompiled_xsec_gpg.hxx
@@ -25,8 +25,6 @@
#include <key.h>
#include <keylistresult.h>
#include <list>
#include <com/sun/star/xml/crypto/gpg/GpgSecurityEnvironment.hpp>
#include <com/sun/star/xml/crypto/gpg/GpgXMLSecurityContext.hpp>
#include <comphelper/processfactory.hxx>
#include <comphelper/servicehelper.hxx>
#include <cppuhelper/factory.hxx>