Reconsider test retries for jmx-scraper

[breedx-splk]

Component(s)

No response

Is your feature request related to a problem? Please describe.

Related to #1619, we might want to revisit this in more detail to figure out why the tests are flaky and ways to improve that, with the end goal being not depending on the auto-retries.

Describe the solution you'd like

We can remove the retries config from the gradle file.

Describe alternatives you've considered

No response

Additional context

No response