remove apc stats reporting, not used anymore

apc_stats_r2mon.php

-<?php
-
-function print_stat($key, $value) {
-  echo "$key: $value\n";
-}
-
-$cache = apc_cache_info('', true);
-foreach ($cache as $key => $value) {
-  if ($key === "memory_type" or $key === "locking_type")
-    continue;
-  print_stat($key, $value);
-}
-$mem = apc_sma_info(true);
-foreach ($mem as $key => $value) {
-  print_stat($key, $value);
-}
-/*
- * Significant data:
- * $cache['num_entries'] => number files
- * $cache['mem_size'] => size cached files
- * $cache['num_hits'] => hits
- * $cache['num_misses'] => misses
- * $cache['expunges'] => cache full count
- *
- * $mem['num_seg'] * $mem['seg_size'] => memory size
- * $mem['avail_mem'] => free memory
- */
-?>
-