Bin obsolete header

Change-Id: I361bfa9e06a19c95a8b49edc0271babba8ae2a2f
Reviewed-on: https://gerrit.libreoffice.org/63352
Tested-by: Jenkins
Reviewed-by: Jens Carl <j.carl43@gmx.de>

sc/qa/extras/sccellsenumeration.cxx

@@ -23,7 +23,6 @@
 #include <com/sun/star/uno/XInterface.hpp>
 
 #include <com/sun/star/uno/Reference.hxx>
-#include <com/sun/star/uno/Sequence.hxx>
 
 using namespace css;
 using namespace css::uno;