Removed duplicated include

Change-Id: Iea9ca5fed98f1040dd697324f9818d0014f5f79f
Reviewed-on: https://gerrit.libreoffice.org/69149
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

connectivity/source/commontools/TIndexes.cxx

@@ -26,7 +26,6 @@
 #include <com/sun/star/sdbc/IndexType.hpp>
 #include <com/sun/star/sdbc/SQLException.hpp>
 #include <connectivity/dbtools.hxx>
-#include <connectivity/TTableHelper.hxx>
 #include <TConnection.hxx>
 #include <comphelper/extract.hxx>
 #include <comphelper/types.hxx>