no need to do UNO_QUERY here

Change-Id: I52d13a7e4806d8fc34c4ff6f4cc5ab1e785a8b76
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/173729
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

basic/source/classes/sbunoobj.cxx

@@ -4470,7 +4470,7 @@ void disposeComVariablesForBasic( StarBASIC const * pBasic )
     ComponentRefVector& rv = pItem->m_vComImplementsObjects;
     for (auto const& elem : rv)
     {
-        Reference< XComponent > xComponent( elem.get(), UNO_QUERY );
+        Reference< XComponent > xComponent( elem );
         if (xComponent.is())
             xComponent->dispose();
     }