removing timers before readding OLT to XOS

Change-Id: I1400c1d6c255cb5e7c9d1f4009128a8e2edc9cbe
diff --git a/src/test/cord-api/Tests/WorkflowValidations/ATT_Test001.robot b/src/test/cord-api/Tests/WorkflowValidations/ATT_Test001.robot
index 8cff8ce..2fdc271 100644
--- a/src/test/cord-api/Tests/WorkflowValidations/ATT_Test001.robot
+++ b/src/test/cord-api/Tests/WorkflowValidations/ATT_Test001.robot
@@ -51,7 +51,6 @@
     ...    Configure whitelist with correct ONU location
     ...    Validate successful authentication/DHCP/E2E ping
     [Setup]    None
-    Sleep    120s
     [Tags]    test1
     Wait Until Keyword Succeeds    300s    15s    Validate ONU States    ACTIVE    ENABLED    ${onu_device}
     Wait Until Keyword Succeeds    60s    2s    Validate ATT Workflow Driver SI    ENABLED    AWAITING    ${onu_device}
@@ -393,14 +392,11 @@
     Wait Until Keyword Succeeds    60s    2s    Clean Up Objects    ${ATT_WHITELIST}
     Sleep    20s
     Wait Until Keyword Succeeds    30s    2s    Validate Subscriber Count    0
-    Sleep    10s
     Wait Until Keyword Succeeds    60s    2s    Clean Up Objects    ${VOLT_DEVICE}
-    Sleep    20s
     Wait Until Keyword Succeeds    60s    2s    Clean Up Objects    ${ATT_SERVICEINSTANCES}
     Wait Until Keyword Succeeds    120s    10s    Check Remote System Reachability    False    ${olt_ip}
     Wait Until Keyword Succeeds    120s    10s    Check Remote System Reachability    True    ${olt_ip}
     Wait Until Keyword Succeeds    120s    10s    Openolt is Up    ${olt_ip}    ${olt_user}    ${olt_pass}
-    Sleep    300s
 
 Create Whitelist
     ${AttWhiteListDict}=    utils.listToDict    ${AttWhiteListList}    0