Reinstate or completely remove the sub-commands of influxd inspect

[danxmoran]

Most of the sub-commands for influxd inspect were commented out in 2.0. We should either reinstate the functionality, or delete the commented-out code.

[danxmoran]

Should've checked for existing issues 😄 See:

• Create influxd inspect verify-wal command #19539
• Port influxd inspect verify-tombstone command #19538
• Port influxd inspect report-tsi command #19537
• Port influxd inspect verify-tsm command #19536
• Port influxd inspect verify-seriesfile command #19535
• Port influxd inspect report-tsm command #19534
• Port influxd inspect dumptsmwal command #19533
• Port influxd inspect dump-tsm command #19532
• Port influxd inspect dump-tsi command #19531
• Port influxd inspect deletetsm command #19530
• Port influxd inspect build-tsi command #19529