Fix FFDC argument passing in test suites

Fixes the following failure:

    Teardown failed:
    Keyword 'openbmc_ffdc.FFDC On Test Case Fail'i
    expected 0 arguments, got 1.

Changes:
    - Remove extra arguments passed, FFDC has changed since
      this test script was implemented. Doing cleanup here.

Tested:
    - NA

Change-Id: Ic022f9a6f1bc4af3d58c83c1293082b904ec9ed9
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/systest/collection/bmc_collect_sensors.robot b/systest/collection/bmc_collect_sensors.robot
index 8862308..4ac56b6 100644
--- a/systest/collection/bmc_collect_sensors.robot
+++ b/systest/collection/bmc_collect_sensors.robot
@@ -26,7 +26,7 @@
 Rest Collect Sensors
     [Documentation]  Collect the sensors values using the OpenBMC Rest API.
     [Tags]  Rest_Collect_Sensors  rest
-    [Teardown]  FFDC On Test Case Fail  clean_up=${FALSE}
+    [Teardown]  FFDC On Test Case Fail
 
     ${sensors}=  OpenBMC Get Request  ${SENSORS_URI}enumerate
     ${sensors}=  Evaluate  $sensors.json()['data']
@@ -90,4 +90,4 @@
     [Documentation]  Do the post test teardown for redfish.
 
     Redfish.Logout
-    FFDC On Test Case Fail  clean_up=${FALSE}
+    FFDC On Test Case Fail