refactor: remove java artifacts

[thephez]

Issue being fixed or feature implemented

These files appear to be artifacts that were never removed. The relevant generated java files now appear in clients/java/org/dash/platform/dapi/v0/.

What was done?

Removed extraneous files

How Has This Been Tested?

N/A

Breaking Changes

N/A

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated relevant unit/integration/functional/e2e tests
• I have made corresponding changes to the documentation

For repository code-owners and collaborators only

• I have assigned this pull request to a milestone

[shumkov]

@thephez shouldn't it be a refactor? chore even doesn't appear in the changelog, so it's something very internal.

[thephez]

@thephez shouldn't it be a refactor? chore even doesn't appear in the changelog, so it's something very internal.

Updated to refactor. Seems pretty insignificant though - if anyone attempted to use these files I assume it would not work since they were last updated a year ago.

[shumkov]

Good catch! Thank you 👍