Removed duplicated include

Change-Id: I0585ba137dbd3a27ccf88d75974dc79c34e4ef85
Reviewed-on: https://gerrit.libreoffice.org/56582
Tested-by: Jenkins
Reviewed-by: Gabor Kelemen <kelemeng@ubuntu.com>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>

sc/source/core/data/column3.cxx

@@ -62,7 +62,6 @@
 #include <svl/broadcast.hxx>
 #include <svl/sharedstringpool.hxx>
 #include <editeng/editstat.hxx>
-#include <rtl/tencinfo.h>
 
 #include <cstdio>
 #include <refdata.hxx>