Clean up docs (#1281)

Author: deliahu

docs/contributing/development.md

@@ -207,39 +207,7 @@ make cluster-down
 ### Deploy an example
 
 ```bash
-cd examples/pytorch/iris-classifier
-```
-
-Take note of the following images:
-
-```bash
-# for Python Predictor
-XXXXXXXX.dkr.ecr.us-west-2.amazonaws.com/cortexlabs/python-predictor-cpu:latest
-XXXXXXXX.dkr.ecr.us-west-2.amazonaws.com/cortexlabs/python-predictor-gpu:latest
-XXXXXXXX.dkr.ecr.us-west-2.amazonaws.com/cortexlabs/python-predictor-inf:latest
-
-# for TensorFlow Predictor
-XXXXXXXX.dkr.ecr.us-west-2.amazonaws.com/cortexlabs/tensorflow-serving-cpu:latest
-XXXXXXXX.dkr.ecr.us-west-2.amazonaws.com/cortexlabs/tensorflow-serving-gpu:latest
-XXXXXXXX.dkr.ecr.us-west-2.amazonaws.com/cortexlabs/tensorflow-serving-inf:latest
-XXXXXXXX.dkr.ecr.us-west-2.amazonaws.com/cortexlabs/tensorflow-predictor:latest
-
-# for ONNX Predictor
-XXXXXXXX.dkr.ecr.us-west-2.amazonaws.com/cortexlabs/onnx-predictor-cpu:latest
-XXXXXXXX.dkr.ecr.us-west-2.amazonaws.com/cortexlabs/onnx-predictor-gpu:latest
-```
-
-Edit `cortex.yaml` and override `image`/`tensorflow_serving_image` with the appropriate image(s) for the given predictor type:
-
-```yaml
-# cortex.yaml
-
-- name: my-api
-  ...
-  predictor:
-    type: python
-    image: XXXXXXXX.dkr.ecr.us-west-2.amazonaws.com/cortexlabs/python-predictor-cpu:latest
-  ...
+cortex deploy examples/pytorch/iris-classifier --env aws
 ```
 
 ## Off-cluster operator

docs/deployments/prediction-monitoring.md

@@ -195,7 +195,7 @@ class PythonPredictor:
         self.tokenizer = GPT2Tokenizer.from_pretrained("gpt2")
         self.model = GPT2LMHeadModel.from_pretrained("gpt2").to(self.device)
 
-    def predict(self, payload, query_params):
+    def predict(self, payload, query_params):  # this line is updated
         input_length = len(payload["text"].split())
         output_length = int(query_params.get("length", 20))  # this line is added
         tokens = self.tokenizer.encode(payload["text"], return_tensors="pt").to(self.device)