Can simplify, our IDL compiler is more clever nowadays

Change-Id: Ie62c47a0b60df5b7a7237cce981e850cbbe5aee9

oovbaapi/ooo/vba/excel/XWorkbook.idl

@@ -20,21 +20,11 @@
 #define __ooo_vba_excel_XWorkbook_idl__
 
 #include <com/sun/star/lang/XUnoTunnel.idl>
-#include <ooo/vba/XHelperInterface.idl>
-
-
 
 module ooo {  module vba {  module excel {
 
-
-
-interface XWorksheet;
-interface XWorksheets;
-interface XStyles;
-
 interface XWorkbook
 {
-
     interface ::com::sun::star::lang::XUnoTunnel;
 
     [attribute, readonly] boolean ProtectStructure;