Remove depth quality metrics from README

README.md

@@ -73,12 +73,6 @@ humanoid-robots-training-dataset/
 │   ├── info.json                     # Dataset configuration (LeRobot format)
 │   ├── stats.json                    # Feature min/max/mean/std statistics
 │   ├── events.json                   # Disturbance & recovery annotations
-│   ├── depth_quality_summary.json    # Per-episode depth QC metrics
-│   └── annotations_motion_v1_frames.json  # Motion semantics annotations
-│
-└── README.md
-```
-
 ---
 
 ## 🎯 Data Schema
@@ -178,12 +172,9 @@ Disturbances and recovery actions for select episodes.
 
 ## 📈 Depth Quality Metrics
 
-**File:** `meta/depth_quality_summary.json`
-
 | Metric | Description | Dataset Average |
 |--------|-------------|-----------------|
 | `valid_depth_pct` | % frames with valid depth at hand | 95.5% ✅ |
-| `plane_rms_mm` | RMS deviation from flat surface | 5.73mm ✅ |
 
 ---