Don't set the max current on the monsoon device by default

tools/telemetry/telemetry/core/platform/profiler/monsoon_profiler.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import csv
 import multiprocessing
 
 from telemetry.core import exceptions
 from telemetry.core.platform import profiler
 from telemetry.core.platform.profiler import monsoon
 
 
 def _CollectData(output_path, is_collecting):
   mon = monsoon.Monsoon(wait=False)
-  mon.SetMaxCurrent(2.0)
   # Note: Telemetry requires the device to be connected by USB, but that
   # puts it in charging mode. This increases the power consumption.
   mon.SetUsbPassthrough(1)
   # Nominal Li-ion voltage is 3.7V, but it puts out 4.2V at max capacity. Use
   # 4.0V to simulate a "~80%" charged battery. Google "li-ion voltage curve".
   # This is true only for a single cell. (Most smartphones, some tablets.)
   mon.SetVoltage(4.0)
 
   samples = []
   try:
@@ skipping 50 matching lines @@
       monsoon.Monsoon(wait=False)
     except EnvironmentError:
       return False
     else:
       return True
 
   def CollectProfile(self):
     self._is_collecting.clear()
     self._collector.join()
     return [self._output_path]