[worker] No longer require sudo for socat.

If we change the owner of the haproxy stats socket to the same owner
as the worker, we don't need to use sudo (which may be causing some
odd slowness).

Change-Id: I362ef2a14e591f162dcf9571a244dc6d8ff07ff9

libra/worker/controller.py

@@ -37,7 +37,6 @@ class LBaaSController(object):
     def __init__(self, logger, driver, json_msg):
         self.logger = logger
         self.driver = driver
-        self.logger.debug("Entered LBaaSController")
         self.msg = json_msg
 
     def run(self):