Revert TRT class id filtering (blakeblackshear#8497)

frigate/detectors/plugins/tensorrt.py

@@ -293,16 +293,6 @@ def detect_raw(self, tensor_input):
  # raw_detections: Nx7 numpy arrays of
  # [[x, y, w, h, box_confidence, class_id, class_prob],
 
- # throw out any detections with negative class IDs
- valid_detections = []
- for r in raw_detections:
- if r[5] >= 0:
- valid_detections.append(r)
- else:
- logger.warning(f"Found TensorRT detection with invalid class id {r}")
-
- raw_detections = valid_detections
-
  # Calculate score as box_confidence x class_prob
  raw_detections[:, 4] = raw_detections[:, 4] * raw_detections[:, 6]
  # Reorder elements by the score, best on top, remove class_prob