Purge provenance.yaml, reusable_provenance.yaml workflows and all ref… #196

Job	Run time
build_attest_all (buildconfigs/key_xor_test_app.sh)	4m 43s
build_attest_all (buildconfigs/oak_client_android_app.sh)	50m 28s
build_attest_all (buildconfigs/oak_containers_agent.sh)	7m 13s
build_attest_all (buildconfigs/oak_containers_kernel.sh)	27m 23s
build_attest_all (buildconfigs/oak_containers_orchestrator.sh)	8m 35s
build_attest_all (buildconfigs/oak_containers_stage1.sh)	6m 17s
build_attest_all (buildconfigs/oak_containers_syslogd.sh)	8m 51s
build_attest_all (buildconfigs/oak_containers_system_image.sh)	15m 9s
build_attest_all (buildconfigs/oak_containers_nvidia_system_image.sh)	17m 5s
build_attest_all (buildconfigs/oak_echo_enclave_app.sh)	4m 56s
build_attest_all (buildconfigs/oak_echo_raw_enclave_app.sh)	3m 52s
build_attest_all (buildconfigs/oak_functions_enclave_app.sh)	4m 45s
build_attest_all (buildconfigs/oak_functions_insecure_enclave_app.sh)	4m 38s
build_attest_all (buildconfigs/oak_orchestrator.sh)	4m 12s
build_attest_all (buildconfigs/oak_restricted_kernel_simple_io_init_rd_wrapper_bin.sh)	5m 10s
build_attest_all (buildconfigs/stage0_bin.sh)	5m 41s
	2h 58m 58s

Provide feedback