chore: cleanup post release v0.16 (#3577)

* fix: remove unneeded debug log

* fix: cleanup

* feat: add dense gemma config and cleanup

* feat: add cce support

* update notes and set torch compile

* fix patch for new number of return vals

* fixes for gemma4

* fix packing bug

* use updated cce for mm

* fix: pass in kv cache func when avail for transformers 5.5

* feat: update examples with flex variant and readme

* gemma4 lora attention kernels

---------

Co-authored-by: Wing Lian <wing.lian@gmail.com>
Co-authored-by: Wing Lian <wing@axolotl.ai>

scripts/cutcrossentropy_install.py

@@ -29,5 +29,5 @@ UV_PREFIX = "uv " if USE_UV else ""
 
 print(
     UNINSTALL_PREFIX
-    + f'{UV_PREFIX}pip install "cut-cross-entropy[transformers] @ git+https://github.com/axolotl-ai-cloud/ml-cross-entropy.git@63b15e6"'
+    + f'{UV_PREFIX}pip install "cut-cross-entropy[transformers] @ git+https://github.com/axolotl-ai-cloud/ml-cross-entropy.git@fec1a88"'
 )