text: Title: Use JCommander for CLI opts parsing
  Body: **Is your feature request related to a problem? Please describe.**
  
  CLI opts parsing is not consistent across different Alluxio modules. Both `jcommand` and `commons-cli` are used. Proposing to use `jcommand` consistently across modules.
  
  **Describe the solution you'd like**
  Use `jcommand` consistently across modules.
  
  **Describe alternatives you've considered**
  N/A
  
  **Additional context**
  Discussion originally started here https://github.com/Alluxio/alluxio/pull/8494
  