Fix broken quantization tutorial links

[patrocinio]

• Updated redirects for dynamic_quantization_tutorial.html to point to gpu_quantization_torchao_tutorial
• Updated redirects for static_quantization_tutorial.html to point to pytorch.org/ao documentation
• Removed missing dynamic_quantization recipe from recipes_index.rst
• Updated recipes README to remove reference to missing dynamic_quantization.py

Fixes issue #3583

Description

Checklist

• [ ] The issue that is being fixed is referred in the description (see above "Fixes #ISSUE_NUMBER")
• [ ] Only one issue is addressed in this pull request
• [ ] Labels from the issue that this PR is fixing are added to this pull request
• [ ] No unnecessary issues are included into this pull request.