framework/signal: Remove JOB_FINALIZED signal
framework/signal: Remove JOB_FINALIZED signal

Remove the currenlty unused JOB_FINALIZED signal as we already have a
WORKLOAD_FINALIZED signal.

lisatn/workload-automation,lisatn/workload-automation,ARM-software/workload-automation,lisatn/workload-automation,setrofim/workload-automation,setrofim/workload-automation,setrofim/workload-automation,setrofim/workload-automation,ARM-software/workload-automation,ARM-software/workload-automation,lisatn/workload-automation,ARM-software/workload-automation