Remove image clean up from BMC

Current code update cleans out the images from /tmp dir.

Change-Id: Ifbff10fabffb0b9329c4da75b865745b8d0c7fdd
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/tests/test_rest_interfaces.robot b/tests/test_rest_interfaces.robot
index a8b88eb..cee27cb 100644
--- a/tests/test_rest_interfaces.robot
+++ b/tests/test_rest_interfaces.robot
@@ -185,9 +185,6 @@
     Should Be Equal As Strings  ${jsondata["message"]}  200 OK
     Should Be Equal As Strings  ${jsondata["status"]}  ok
 
-    # Cleanup uploaded file.
-    BMC Execute Command  rm -rf /tmp/images/*
-
 
 Verify REST Put Message JSON Compliant
     [Documentation]  Verify REST "PUT" message is JSON format compliant.