Revert "Temporarily print disk usage in tools/test"

This reverts commit 6a7dc9f0a1cf105414bda9f2ae69c4b2347ab7b8.

R=ager@google.com

Bug:
Change-Id: Ib4492fd7bc9c8de0df84de3fb8a8de9cd188cf3a
diff --git a/tools/test.py b/tools/test.py
index a090fd1..7102207 100755
--- a/tools/test.py
+++ b/tools/test.py
@@ -10,7 +10,6 @@
 import os
 import gradle
 import optparse
-import subprocess
 import sys
 import utils
 import uuid
@@ -70,8 +69,6 @@
   print 'Test results available at: %s' % url
 
 def Main():
-  subprocess.check_call(['df', '-h'])
-  return 1
   (options, args) = ParseOptions()
   gradle_args = ['cleanTest', 'test']
   if len(args) > 1: