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please include function ai_invalidatedWebs.

static void ai_deleteInvalidWebs() {
  new Matches m;
  int count = 0;
  for (TripleWeb w : ai_triples("$X", "is", "invalid"))
    if (swic_trim("Web ", w.a, m) && isGlobalID($1)) {
      TripleWeb ww = tripleIndex().getTriple(asGlobalID($1));
      if (ww != null) ++count;
      tripleIndex().removeTriple(ww);
      ai_invalidatedWebs_cache->put(asGlobalID($1), w.globalID());
    }
  if (count > 0) print("Deleted " + n2(count, "invalid triple"));
}