[bug] deprecated deta load_cuda_kernel, MultiScaleDeformableAttention
Author: chagmgang
Pull request: yes

# What does this PR do?

* load_cuda_kernel unavailable path 
https://github.com/huggingface/transformers/blob/main/src/transformers/models/deprecated/deta/modeling_deta.py#L60

* MultiScaleDeformableAttention is not initialized
https://github.com/huggingface/transformers/blob/main/src/transformers/models/deprecated/deta/modeling_deta.py#L70


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Comments:
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Hi @chagmgang, deprecated models are generally not actively maintained due to low usage, so we don't have any tests to verify this PR! Can you paste a code snippet that failed before, but that works with this change?

@Rocketknight1 

Thank you for reviewing my PR.

Here is the error code snippnet.
```python
>>> import transformers
>>> print(transformers.__version__)
4.51.2
>>> from transformers.models.deprecated.deta.modeling_deta import load_cuda_kernels
>>> load_cuda_kernels()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python3.10/dist-packages/transformers/models/deprecated/deta/modeling_deta.py", line 70, in load_cuda_kernels
    load(
  File "/usr/local/lib/python3.10/dist-packages/torch/utils/cpp_extension.py", line 1314, in load
    return _jit_compile(
  File "/usr/local/lib/python3.10/dist-packages/torch/utils/cpp_extension.py", line 1680, in _jit_compile
    version = JIT_EXTENSION_VERSIONER.bump_version_if_changed(
  File "/usr/local/lib/python3.10/dist-packages/torch/utils/_cpp_extension_versioner.py", line 46, in bump_version_if_changed
    hash_value = hash_source_files(hash_value, source_files)
  File "/usr/local/lib/python3.10/dist-packages/torch/utils/_cpp_extension_versioner.py", line 16, in hash_source_files
    with open(filename) as file:
FileNotFoundError: [Errno 2] No such file or directory: '/usr/local/lib/python3.10/dist-packages/transformers/models/kernels/deta/vision.cpp'
>>> from transformers.models.deprecated.deta.modeling_deta import MultiScaleDeformableAttention
>>> print(MultiScaleDeformableAttention)
None
```

after change the code and apply this PR
```python
>>> import transformers
>>> print(transformers.__version__)
4.52.0.dev0
>>> from transformers.models.deprecated.deta.modeling_deta import load_cuda_kernels
>>> load_cuda_kernels()
>>> from transformers.models.deprecated.deta.modeling_deta import MultiScaleDeformableAttention
>>> print(MultiScaleDeformableAttention)
<module 'MultiScaleDeformableAttention' from '/root/.cache/torch_extensions/py310_cu124/MultiScaleDeformableAttention/MultiScaleDeformableAttention.so'>
```