Revert "Fixes issue #3700"

This reverts commit 78e9ad4,
which introduced a file descriptor leak when dogstreams is enabled.

Author: olivielpeau

checks/collector.py

@@ -355,11 +355,6 @@ def run(self, checksd=None, start_event=True, configs_reloaded=False):
         if self._ganglia is not None:
             payload['ganglia'] = self._ganglia.check(self.agentConfig)
         if self._dogstream is not None:
-            # every 10 run (~2min) we reload the list of files watched by
-            # dogstream
-            if (self.run_count % 10) == 0:
-                log.info("reloading list of files watched by Dogstreams")
-                self._dogstream = Dogstreams.init(log, self.agentConfig)
             dogstreamData = self._dogstream.check(self.agentConfig)
             dogstreamEvents = dogstreamData.get('dogstreamEvents', None)
             if dogstreamEvents: