Clean Summary

[perdelt]

• remove benchbase loading code
• remove benchbase loading configuration
• add benchbase loading tenant id
• add benchbase execution tenant id
• add tpch loading tenant id
• add tpch execution tenant id
• remove tpch loading code
• remove tpch loading configuration
• remove tpch loading phase
• remove tpch loading connection
• remove tpch execution code
• remove tpch execution configuration
• remove tpch execution phase
• remove tpch execution connection
• remove tpch execution pod
• tpch Latency of Timer Execution not DBMS index name
• remove ycsb loading connection
• remove hammerdb loading code
• remove hammerdb loading configuration
• add hammerdb loading terminals #700

[perdelt]

tenant info is not available in most cases. we open a new issue #699