V1 deprecation

[alvarolopez]

Description

Deprecate all V1 code.

Type of change

Please delete options that are not relevant.

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [x] This change requires a documentation update
• [x] This change is a documentation update

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [ ] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes

[IgnacioHeredia]

Hi @alvarolopez , I tested it with image-classification-tf and audio-classification-tf (both in V2) and it works fine. So no breaks there. I changed the docs to correctly reflect the required Python versions.

[vykozlov]

checked with dogs_breed_det and obj_detect_pytorch, no problem found. Approve now.