Docstrings arguments cleanup (#3229)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

docs/reference/yolo/v8/pose/predict.md

@@ -3,12 +3,12 @@ description: Predict human pose coordinates and confidence scores using YOLOv5.
 keywords: Ultralytics, YOLO, v8, documentation, PosePredictor, pose prediction, pose estimation, predict method
 ---
 
-# PosePredictor
+## PosePredictor
 ---
-:::ultralytics.yolo.v8.pose.predict.PosePredictor
+### ::: ultralytics.yolo.v8.pose.predict.PosePredictor
 <br><br>
 
-# predict
+## predict
 ---
-:::ultralytics.yolo.v8.pose.predict.predict
+### ::: ultralytics.yolo.v8.pose.predict.predict
 <br><br>

docs/reference/yolo/v8/pose/train.md

@@ -3,12 +3,12 @@ description: Boost posture detection using PoseTrainer and train models using tr
 keywords: PoseTrainer, human pose models, deep learning, computer vision, Ultralytics YOLO, v8
 ---
 
-# PoseTrainer
+## PoseTrainer
 ---
-:::ultralytics.yolo.v8.pose.train.PoseTrainer
+### ::: ultralytics.yolo.v8.pose.train.PoseTrainer
 <br><br>
 
-# train
+## train
 ---
-:::ultralytics.yolo.v8.pose.train.train
+### ::: ultralytics.yolo.v8.pose.train.train
 <br><br>

docs/reference/yolo/v8/pose/val.md

@@ -3,12 +3,12 @@ description: Ensure proper human poses in images with YOLOv8 Pose Validation, pa
 keywords: PoseValidator, Ultralytics YOLO, object detection, pose analysis, validation
 ---
 
-# PoseValidator
+## PoseValidator
 ---
-:::ultralytics.yolo.v8.pose.val.PoseValidator
+### ::: ultralytics.yolo.v8.pose.val.PoseValidator
 <br><br>
 
-# val
+## val
 ---
-:::ultralytics.yolo.v8.pose.val.val
+### ::: ultralytics.yolo.v8.pose.val.val
 <br><br>