remove unnecessary includes

Change-Id: If4690085fcddfe8c51e5179bcb826ab6383bd947
diff --git a/xos/tosca/resources/sflowservice.py b/xos/tosca/resources/sflowservice.py
index 3f3a98f..dd4497f 100644
--- a/xos/tosca/resources/sflowservice.py
+++ b/xos/tosca/resources/sflowservice.py
@@ -1,15 +1,7 @@
-import os
-import pdb
-import sys
-import tempfile
-sys.path.append("/opt/tosca")
-from translator.toscalib.tosca_template import ToscaTemplate
-
+from service import XOSService
 from core.models import ServiceAttribute
 from services.monitoring.models import SFlowService
 
-from service import XOSService
-
 class XOSSFlowService(XOSService):
     provides = "tosca.nodes.SFlowService"
     xos_model = SFlowService