updating module_populate_mps_cache to only reflect global_sysops_api_insertion_times.json and removing previously created JSON objects
updating module_populate_mps_cache to only reflect global_sysops_api_insertion_times.json and removing previously created JSON objects

linkedin/sysops-api,linkedin/sysops-api,slietz/sysops-api,slietz/sysops-api