Remove dead code as this was moved to another class

lib/ansible/executor/task_queue_manager.py

@@ -22,7 +22,6 @@ __metaclass__ = type
 import multiprocessing
 import os
 import socket
-import sys
 import tempfile
 
 from ansible import constants as C
@@ -83,12 +82,6 @@ class TaskQueueManager:
 
         self._final_q = multiprocessing.Queue()
 
-        # create the pool of worker threads, based on the number of forks specified
-        try:
-            fileno = sys.stdin.fileno()
-        except ValueError:
-            fileno = None
-
         # A temporary file (opened pre-fork) used by connection
         # plugins for inter-process locking.
         self._connection_lockfile = tempfile.TemporaryFile()