There's no reason for these defaults in one constructor but not the other

Change-Id: I62e9351a21b0519a3ef70c328f33e1b7f7427926

dbaccess/source/core/dataaccess/ModelImpl.cxx

@@ -427,11 +427,7 @@ ODatabaseModelImpl::ODatabaseModelImpl( const Reference< XMultiServiceFactory >&
             ,m_pSharedConnectionManager(NULL)
             ,m_nControllerLockCount(0)
 {
-    // some kind of default
     DBG_CTOR(ODatabaseModelImpl,NULL);
-    m_sConnectURL = "jdbc:";
-    m_aTableFilter.realloc(1);
-    m_aTableFilter[0] = "%";
     impl_construct_nothrow();
 }