Remove loading of the deprecated functions in the rules_python

[izmalk]

Description

"Once we're done with this PR, let's make a follow-up PR that refactors out all load statements to the deprecated rules_python py_library throughout the repo. (We still need to load py_test.)" (c) Alex

Environment

Reproducible Steps

Expected Output

No loading of deprecated functions.

Actual Output

Loading at least some of them - py_library for example.

Additional information

We still need py_test.