revert aws#2572

Author: ahsan-z-khan

src/sagemaker/local/image.py

@@ -31,10 +31,8 @@
 import tempfile
 
 from distutils.spawn import find_executable
-from signal import SIGTERM
 from threading import Thread
 
-import psutil
 from six.moves.urllib.parse import urlparse
 
 import sagemaker
@@ -843,8 +841,6 @@ def run(self):
 
     def down(self):
         """Placeholder docstring"""
-        for process in psutil.Process(self.process.pid).children():
-            process.send_signal(SIGTERM)
         self.process.terminate()