Deprecate/Remove Driver Specific API tests in stepper area.

[jilaypandya]

Summary

Currently stepper api has two different tests suites,

• stepper api test suite
• drv84xx_api test suite

stepper api should only consist of one test-suite, since there is no good reason that each and every stepper should have its own individual test suite.

Describe the solution you'd like

• Delete the test cases in drv84xx/api test suite. (Milestone 4.3)
• Transfer Relevant Test cases to stepper_api test suite.

Alternatives

No response

Additional Context

No response

[jilaypandya]

Hi @jbehrensnx, this has been a topic of discussion quite often, so I have created an issue :)

[jbehrensnx]

Relevant PR is #85658 . It is currently closed, but I will reopen it when I am working on the generalization again. Latest attempt had some issues with native sim (but worked fine on real hardware), so the PR timed out.