Revert of Add failure screenshots and render test images to results detail.

build/android/pylib/instrumentation/instrumentation_test_instance.py

Index: build/android/pylib/instrumentation/instrumentation_test_instance.py
diff --git a/build/android/pylib/instrumentation/instrumentation_test_instance.py b/build/android/pylib/instrumentation/instrumentation_test_instance.py
index ef260f7a51a1c174921a8434f6dae2ad0058ab37..93e3a63380d72855f60dfc0246adb3c5c774e230 100644
--- a/build/android/pylib/instrumentation/instrumentation_test_instance.py
+++ b/build/android/pylib/instrumentation/instrumentation_test_instance.py
@@ -498,7 +498,6 @@
     self._store_tombstones = False
     self._initializeTombstonesAttributes(args)
 
-    self._should_save_images = None
     self._should_save_logcat = None
     self._initializeLogAttributes(args)
 
@@ -679,7 +678,6 @@
 
   def _initializeLogAttributes(self, args):
     self._should_save_logcat = bool(args.json_results_file)
-    self._should_save_images = bool(args.json_results_file)
 
   def _initializeEditPrefsAttributes(self, args):
     if not hasattr(args, 'shared_prefs_file'):
@@ -738,10 +736,6 @@
   @property
   def flags(self):
     return self._flags
-
-  @property
-  def should_save_images(self):
-    return self._should_save_images
 
   @property
   def should_save_logcat(self):