[Feature Branch] Quant modifier UX

[rahul-tuli]

Quantization Modifier UX Update

Description

This PR refactors the quantization modifiers to enhance user experience and simplify the system architecture. It is based off of changes from ~the sa/quant_mod_refactor~ main branch, all subsequent changes will be merged as smaller bites sized PRs into this. Key updates include:

• [x] Decoupling Wanda and SparseGPT https://github.com/neuralmagic/sparseml/pull/2266
• [x] #2272
  • Decoupling SparseGPT and GPTQ
  • Removing quantization features from SparseGPT
  • Adding quantization features to GPTQ
  • [x] #2281 Preserve base sparsity in GPTQ
    • [x] #2282 Preserve sparsity mask in SparseGPT
    • [x] #2294
• [x] #2273
• [x] https://github.com/neuralmagic/compressed-tensors/pull/61

Reference Documentation

For more detailed information about the changes and their impact, please refer to the documentation here.