FIX: Unpin Xformers to fix Linux install

[ThomasEricB]

Simple fix that removes the Xformers requirement.

Error:

<<PINOKIO_SHELL>>eval "$(conda shell.bash hook)" ; conda deactivate ; conda deactivate ; conda deactivate ; conda activate base ; source /home/dragon/pinokio/api/wan.git/app/env/bin/activate /home/dragon/pinokio/api/wan.git/app/env && python wgp.py --multiple-images 
Traceback (most recent call last):
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/diffusers/utils/import_utils.py", line 1016, in _get_module
    return importlib.import_module("." + module_name, self.__name__)
  File "/home/dragon/pinokio/bin/miniconda/lib/python3.10/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 883, in exec_module
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/diffusers/loaders/peft.py", line 25, in <module>
    from ..hooks.group_offloading import _maybe_remove_and_reapply_group_offloading
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/diffusers/hooks/__init__.py", line 20, in <module>
    from .faster_cache import FasterCacheConfig, apply_faster_cache
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/diffusers/hooks/faster_cache.py", line 21, in <module>
    from ..models.attention import AttentionModuleMixin
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/diffusers/models/attention.py", line 25, in <module>
    from .attention_processor import Attention, AttentionProcessor, JointAttnProcessor2_0
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/diffusers/models/attention_processor.py", line 35, in <module>
    import xformers.ops
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/xformers/ops/__init__.py", line 9, in <module>
    from .fmha import (
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/xformers/ops/fmha/__init__.py", line 10, in <module>
    from . import (
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/xformers/ops/fmha/flash.py", line 78, in <module>
    raise ImportError(
ImportError: Requires Flash-Attention version >=2.7.1,<=2.7.4 but got 2.8.3.

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/diffusers/utils/import_utils.py", line 1016, in _get_module
    return importlib.import_module("." + module_name, self.__name__)
  File "/home/dragon/pinokio/bin/miniconda/lib/python3.10/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 992, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 1050, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 883, in exec_module
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/diffusers/models/transformers/__init__.py", line 5, in <module>
    from .auraflow_transformer_2d import AuraFlowTransformer2DModel
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/diffusers/models/transformers/auraflow_transformer_2d.py", line 23, in <module>
    from ...loaders import FromOriginalModelMixin, PeftAdapterMixin
  File "<frozen importlib._bootstrap>", line 1075, in _handle_fromlist
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/diffusers/utils/import_utils.py", line 1006, in __getattr__
    module = self._get_module(self._class_to_module[name])
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/diffusers/utils/import_utils.py", line 1018, in _get_module
    raise RuntimeError(
RuntimeError: Failed to import diffusers.loaders.peft because of the following error (look up to see its traceback):
Requires Flash-Attention version >=2.7.1,<=2.7.4 but got 2.8.3.

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/home/dragon/pinokio/api/wan.git/app/wgp.py", line 25, in <module>
    from mmgp import offload, safetensors2, profile_type , quant_router
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/mmgp/offload.py", line 74, in <module>
    from .quant_router import (
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/mmgp/quant_router.py", line 7, in <module>
    from optimum.quanto import QModuleMixin, register_qmodule
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/optimum/quanto/__init__.py", line 19, in <module>
    from .models import *
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/optimum/quanto/models/__init__.py", line 34, in <module>
    from .diffusers_models import *
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/optimum/quanto/models/diffusers_models.py", line 30, in <module>
    from diffusers import PixArtTransformer2DModel
  File "<frozen importlib._bootstrap>", line 1075, in _handle_fromlist
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/diffusers/utils/import_utils.py", line 1007, in __getattr__
    value = getattr(module, name)
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/diffusers/utils/import_utils.py", line 1006, in __getattr__
    module = self._get_module(self._class_to_module[name])
  File "/home/dragon/pinokio/api/wan.git/app/env/lib/python3.10/site-packages/diffusers/utils/import_utils.py", line 1018, in _get_module
    raise RuntimeError(
RuntimeError: Failed to import diffusers.models.transformers.pixart_transformer_2d because of the following error (look up to see its traceback):
Failed to import diffusers.loaders.peft because of the following error (look up to see its traceback):
Requires Flash-Attention version >=2.7.1,<=2.7.4 but got 2.8.3.
(base) <<PINOKIO_SHELL>>