Remove unnecessary try/catch per #17729

[colemanw]

Overview

Now that #17729 is merged the API will automatically guard against querying unknown fields, we can remove this precaution.

Before

Try/catch block.

After

There is no try.

Comments

Thanks to @demeritcowboy I can't get this meme out of my head.

[civibot]

(Standard links)

• If this is your first pull-request for CiviCRM, please browse CONTRIBUTING.md for information about the development and testing processes.
• If you are reviewing this pull-request, you may wish to consult the test sites and the Review Standards (long template, short template).

[eileenmcnaughton]

I think the upgrade tests should give adequate cover on this @seamuslee001 ? Also the replacement fix has tests.

I'm +1 on this

[eileenmcnaughton]

test fail not related

[seamuslee001]

Looks fine to me merging