cleaning stuff up

Change-Id: Ib7e91c6e92b6f6b3c93f4d8ca5dcbfcf74f6c671
diff --git a/api/abstract_olt_api.proto b/api/abstract_olt_api.proto
index 86f9a72..12c8941 100644
--- a/api/abstract_olt_api.proto
+++ b/api/abstract_olt_api.proto
@@ -21,14 +21,8 @@
    string VCoreIP =2;
    int32 VCorePort=3;
 }
-message Error {
-   int32 ErrorNum = 1;
-   string ErrorMessage=2;
-   int32 Serverity=3;
-}
 message AddChassisReturn{
    string DeviceID = 1;
-   Error error = 2;
 }
 message AddOLTChassisMessage{
    string CLLI=1;
@@ -55,14 +49,13 @@
 message AddOLTChassisReturn {
    string DeviceID =1;
    string ChassisDeviceID =2;
-   Error error = 3;
 }
 message ActivateSlotMessage{
-   string SlotDeviceID = 1;
+   string CLLI =1;
+   int32 SlotNumber = 2;
 }
 message ActivateSlotReturn{
    bool Success = 1;
-   Error error = 2;
 }
 message AddOntMessage{
    string CLLI=1;
@@ -73,7 +66,6 @@
 }
 message AddOntReturn{
    bool Success=1;
-   Error error = 2;
 }
 
 service AbstractOLT{