Remove obsolete algo interface to Numba

[antonwolfy]

The PR cleans up the code and remove the obsolete interface from DPNP to Numba JIT.

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[github-actions]

View rendered docs @ https://intelpython.github.io/dpnp/index.html

[github-actions]

Array API standard conformance tests for dpnp=0.20.0dev0=py313h509198e_30 ran successfully.
Passed: 1227
Failed: 0
Skipped: 9

[coveralls]

coverage: 81.51% (+0.06%) from 81.45%
when pulling ae745c4 on remove-obsolete-algo-if-to-numba
into 574e1ca on master.

[vlad-perevezentsev]

LGTM!
Thank you @antonwolfy
Code coverage has increased a little