Deleted redundant code in Report Controller / Dashboards
Deleted redundant code in Report Controller / Dashboards

Check for generated flash messages no longer needed with the code fix in https://github.com/ManageIQ/manageiq/pull/6525
New begin/rescue block in ci_processing/process_elements generates flash messages
(transferred from ManageIQ/manageiq@afa5ee0b4e49af8e15eb68ca256cf88777429bf5)

ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic