Bug 1054043 - Remove wrapcommand. r=ted

This code was only needed on osx 10.5, and the version string compare
fails on osx 10.10.

build/automation.py.in

@@ -217,7 +217,6 @@ class Automation(object):
                  universal_newlines=False,
                  startupinfo=None,
                  creationflags=0):
-      args = automationutils.wrapCommand(args)
       _log.info("INFO | automation.py | Launching: %s", subprocess.list2cmdline(args))
       subprocess.Popen.__init__(self, args, bufsize, executable,
                                 stdin, stdout, stderr,

build/automationutils.py

@@ -26,7 +26,6 @@ __all__ = [
   "getDebuggerInfo",
   "DEBUGGER_INFO",
   "replaceBackSlashes",
-  "wrapCommand",
   'KeyValueParseError',
   'parseKeyValue',
   'systemMemory',
@@ -402,19 +401,6 @@ def processLeakLog(leakLogFile, leakThreshold = 0):
 def replaceBackSlashes(input):
   return input.replace('\\', '/')
 
-def wrapCommand(cmd):
-  """
-  If running on OS X 10.5 or older, wrap |cmd| so that it will
-  be executed as an i386 binary, in case it's a 32-bit/64-bit universal
-  binary.
-  """
-  if platform.system() == "Darwin" and \
-     hasattr(platform, 'mac_ver') and \
-     platform.mac_ver()[0][:4] < '10.6':
-    return ["arch", "-arch", "i386"] + cmd
-  # otherwise just execute the command normally
-  return cmd
-
 class KeyValueParseError(Exception):
   """error when parsing strings of serialized key-values"""
   def __init__(self, msg, errors=()):