Bevformer temporal and no temporal configs are the same

Following configs are the same. How did you test non-temporal model?
Temporal config:
```
zoo/BEVFormer/projects/configs/bevformer/bevformer_base.py
```
Non-temporal configs:
```
zoo/BEVFormer/projects/configs/bevformer/bevformer_base_no_temp.py
```

