Fix compile errors that has unused arguments or variables

[gfphoenix78]

fix #668

Contributor's Checklist

Here are some reminders and checklists before/when submitting your pull request, please check them:

• [ ] Make sure your Pull Request has a clear title and commit message. You can take git-commit template as a reference.
• [ ] Sign the Contributor License Agreement as prompted for your first-time contribution(One-time setup).
• [ ] Learn the coding contribution guide, including our code conventions, workflow and more.
• [ ] List your communication in the GitHub Issues or Discussions (if has or needed).
• [ ] Document changes.
• [ ] Add tests for the change
• [ ] Pass make installcheck
• [ ] Pass make -C src/test installcheck-cbdb-parallel
• [ ] Feel free to request cloudberrydb/dev team for review and approval when your PR is ready🥳

[edespino]

This PR compiles on Rocky Linux 8, 9 and Ubuntu 22 and make create-demo-cluster work. I am now running installcheck on the same platforms.

    psql -P pager=off template1 -c 'SELECT version()'
                                                                                         version                                                                                         
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 PostgreSQL 14.4 (Cloudberry Database 1.0.0+b7744db7b7 build 1) on x86_64-pc-linux-gnu, compiled by gcc (GCC) 8.5.0 20210514 (Red Hat 8.5.0-22), 64-bit compiled on Oct 16 2024 05:52:00

I will be validating the build and test portion again after commit review is complete.