Remove filtering notice stream debug comments

lib/filteringnoticestream.php

@@ -74,8 +74,6 @@ abstract class FilteringNoticeStream extends NoticeStream
 
         do {
 
-            common_debug(get_class($this) . ": ($offset, $limit) Round $round: fetching $askFor notices starting at $startAt");
-
             $raw = $this->upstream->getNotices($startAt, $askFor, $sinceId, $maxId);
 
             $results = $raw->N;
@@ -111,8 +109,6 @@ abstract class FilteringNoticeStream extends NoticeStream
                 $askFor = max(min(intval(ceil(($total - $hits)*$startAt/$hits)), NOTICES_PER_PAGE * 50), NOTICES_PER_PAGE);
             }
 
-            common_debug(get_class($this) . ": ($offset, $limit) Round $round hits is $hits, results = $results.");
-
             $round++;
 
         } while (count($filtered) < $total && $results >= $lastAsk);