remove support for AUX housenumber tables

These tables have never been actively maintained and the code is
completely untested. With the upcomming changes, it is unlikely
that the code remains usable.

This removes the aux tables and all code that references them.

lib-php/Geocode.php

@@ -829,7 +829,6 @@ class Geocode
                     foreach ($aResults as $oResult) {
                         if (($this->iMaxAddressRank == 30 &&
                              ($oResult->iTable == Result::TABLE_OSMLINE
-                              || $oResult->iTable == Result::TABLE_AUX
                               || $oResult->iTable == Result::TABLE_TIGER))
                             || in_array($oResult->iId, $aFilteredIDs)
                         ) {