Trying to remove redundant predicates

[DevChattopadhyay]

Here are some reminders before you submit the pull request

• [ ] Add tests for the change
• [ ] Document changes
• [ ] Communicate in the mailing list if needed
• [ ] Pass make installcheck
• [ ] Review a PR in return to support the community

[gpopt]

New PR: https://github.com/greenplum-db/gpdb/pull/14055