fix(models): repair __all__ so from model_api.models import * works

[Anai-Guo]

Issue

model_api.models.__all__ lists four names the module does not define, so a star-import fails outright:

>>> from model_api.models import *
AttributeError: module 'model_api.models' has no attribute 'Label'

(reproduced on master at e6252ec with openvino installed)

The four names, and why they differ

name	status	fix
Label	real, just not re-exported. models/result/__init__.py lists it in its own __all__, and it is used across the package (classification.py, action_classification.py)	add it to the from .result import (...) block
YOLOv3ONNX	mis-cased copy of YoloV3ONNX — the name yolo.py actually defines (L602) and which __all__ already lists at L109	drop from __all__
YOLOv4	mis-cased copy of YoloV4 (yolo.py L371), already listed at L110	drop from __all__
SalientObjectDetectionModel	appears nowhere else in the repository — no module, test or doc references it; leftover from a class that no longer exists	drop from __all__

So Label is a missing export, and the other three are stale entries. Note the two mis-cased YOLO names were pure duplication: the correctly-cased YoloV3ONNX/YoloV4 are already exported, so dropping the typos removes nothing from the public surface.

Verification

Against the working tree, with openvino installed:

	before	after
from model_api.models import *	AttributeError: … has no attribute 'Label'	succeeds, binds 47 names
[n for n in models.__all__ if not hasattr(models, n)]	['Label', 'SalientObjectDetectionModel', 'YOLOv3ONNX', 'YOLOv4']	[]
duplicate __all__ entries	—	[]
YoloV3ONNX / YoloV4 still exported	yes	yes

Lint: ruff v0.6.2 (the revision pinned in .pre-commit-config.yaml), run from model_api/ so it picks up model_api/pyproject.toml, reports the same 3 pre-existing errors before and after; ruff format --check reports the file already formatted.

+1 / −3, single file.

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