Remove invalid TC for BIOS attribute

Changes:
- BIOS attribute restore operation is done only with
  server factory reset
- Currently the TC is not doing factory reset it is just
  trying to add the previous value which is incorrect
- Hence, Removed the TC as it is invalid

Testing:
NA

Change-Id: If26dfb227af4aa356e4369061e76c54f19999a05
Signed-off-by: Sridevi Ramesh <sridevra@in.ibm.com>
diff --git a/pldm/test_pldm_bios_attributes.robot b/pldm/test_pldm_bios_attributes.robot
index a16a938..80aeae8 100755
--- a/pldm/test_pldm_bios_attributes.robot
+++ b/pldm/test_pldm_bios_attributes.robot
@@ -180,15 +180,6 @@
         Validate Set BIOS Attributes With Optional Values  ${i}  @{attr_val_list}
     END
 
-
-Verify Restore BIOS Attribute Values
-    [Documentation]  Restore all BIOS attribute values with its default values and verify.
-    [Tags]  Verify_Restore_BIOS_Attribute_Values
-
-    ${bios_default_data}=  GetBIOSAttrDefaultValues  ${attr_table_data}
-    Validate Set All BIOS Attributes Values  ${bios_default_data}
-
-
 *** Keywords ***
 
 PLDM BIOS Attribute Suite Setup