Remove debugging section from docs

Author: deliahu

docs/deployments/request-handlers.md

@@ -83,20 +83,3 @@ onnxruntime==0.5.0  # In ONNX serving images only
 ```
 
 You can install additional PyPI packages and import your own Python packages. See [Python Packages](../piplines/python-packages.md) for more details.
-
-## Debugging
-
-A Cortex logger can be imported and used in request handlers.
-
-```python
-from cortex.lib.log import get_logger
-
-logger = get_logger()
-
-def pre_inference(sample, metadata):
-    logger.info(sample)
-    logger.info(metadata)
-    ...
-```
-
-The output of these logs can be viewed using `cortex logs <api_name>`.