Remove "Search by" from the grid table search menu items

[roseeichelmann]

Associated issues

Closes https://github.com/cityofaustin/atd-data-tech/issues/18623

Testing

URL to test: Local data model

Steps to test:

1. See the new search labels on the crashes, locations and location details page tables.

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Ship list

• [ ] Check migrations for any conflicts with latest migrations in master branch
• [ ] Confirm Hasura role permissions for necessary access
• [ ] Code reviewed
• [ ] Product manager approved

[johnclary]

🙏 will resolve conflicts and get this merged