Remove Huggingface Repo

Huggingface's repo is further behind than conda-forge so we will no longer offer it in the installer. The more is loaded from conda-forge the better. The same transformers package will still be installed, but a newer one from conda-forge is now guaranteed.

environments/huggingface.yml

@@ -1,6 +1,5 @@
 name: koboldai
 channels:
-  - huggingface
   - pytorch
   - conda-forge
   - defaults

environments/rocm.yml

@@ -1,6 +1,5 @@
 name: koboldai
 channels:
-  - huggingface
   - conda-forge
   - defaults
 dependencies: