Revert "Fixed sound.py when there are multiple sessions trying to load the library"

This reverts commit 80f2e8f984.

src/sound.py

@@ -22,8 +22,6 @@ import tempfile
 import glob
 URLPlayer = None
 
-is_created = False
-
 def setup():
  global URLPlayer
  if not URLPlayer:
@@ -60,17 +58,14 @@ class soundSystem(object):
 
  def __init__(self, soundConfig):
   """ Sound Player."""
-  global is_created
   self.config = soundConfig
   # Set the output and input default devices.
-  if is_created == False:
   try:
    self.output = Output()
    self.input = Input()
   except IOError:
    pass
   # Try to use the selected device from the configuration. It can fail if the machine does not has a mic.
-  if is_created == False:
   try:
    log.debug("Setting input and output devices...")
    self.output.set_device(self.output.find_device_by_name(self.config["output_device"]))
@@ -79,7 +74,7 @@ class soundSystem(object):
    log.exception("Error in input or output devices, using defaults...")
    self.config["output_device"] = "Default"
    self.config["input_device"] = "Default"
-  is_created = True
+
   self.files = []
   self.cleaner = RepeatingTimer(60, self.clear_list)
   self.cleaner.start()