Merge pull request #25463 from WanliZhong:ocvface2YuNet

Change opencv_face_detector related tests and samples from caffe to onnx #25463

Part of https://github.com/opencv/opencv/issues/25314

This PR aims to change the tests related to opencv_face_detector from caffe framework to onnx. Tests in `test_int8_layer.cpp` and `test_caffe_importer.cpp` will be removed in https://github.com/opencv/opencv/pull/25323

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [ ] There is a reference to the original bug report and related work
- [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [ ] The feature is well documented and sample code can be built with the project CMake

samples/dnn/models.yml

@@ -4,20 +4,6 @@
 # Object detection models.
 ################################################################################
 
-# OpenCV's face detection network
-opencv_fd:
-  load_info:
-    url: "https://github.com/opencv/opencv_3rdparty/raw/dnn_samples_face_detector_20170830/res10_300x300_ssd_iter_140000.caffemodel"
-    sha1: "15aa726b4d46d9f023526d85537db81cbc8dd566"
-  model: "opencv_face_detector.caffemodel"
-  config: "opencv_face_detector.prototxt"
-  mean: [104, 177, 123]
-  scale: 1.0
-  width: 300
-  height: 300
-  rgb: false
-  sample: "object_detection"
-
 # YOLOv8 object detection family from ultralytics (https://github.com/ultralytics/ultralytics)
 # Might be used for all YOLOv8n YOLOv8s YOLOv8m YOLOv8l and YOLOv8x
 yolov8x: