Remove special logging level for butterfly crate
Description=Habitat Supervisor
[Service]
-Environment=RUST_LOG=${log_level},habitat_butterfly=error
+Environment=RUST_LOG=${log_level}
ExecStartPre=/bin/bash -c "/bin/systemctl set-environment SSL_CERT_FILE=$(hab pkg path core/cacerts)/ssl/cert.pem"
ExecStart=/bin/hab run ${flags}
