rflint check warning and errors clean up

Fixing the documentation and test code for:
    - exceeds 110 characters (LineTooLong)
    - TrailingWhitespace
    - RequireTestDocumentation
    - DuplicateTestNames

Change-Id: Ia173888ed709ac7bd3511654bf89c822bc47e398
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/redfish/extended/redfish_bmc_code_update.robot b/redfish/extended/redfish_bmc_code_update.robot
index 2e1df12..40fc2b2 100644
--- a/redfish/extended/redfish_bmc_code_update.robot
+++ b/redfish/extended/redfish_bmc_code_update.robot
@@ -81,7 +81,7 @@
 
     Run Keyword If  '${image_info_len}' != 0
     ...  Run Keywords  Print Timen
-    ...  The ${image_version} version is installed but not functional, try delete and continue firmware update.
+    ...  The ${image_version} version is installed but not functional, delete and continue update.
     ...    AND
     ...  Run Keyword And Ignore Error
     ...    Delete Software Object  /xyz/openbmc_project/software/${image_info['image_id']}