Remove key pair generation instructions.

experimental/gcp-log/README.md

@@ -25,9 +25,6 @@ Both functions are HTTP-triggered and run when their respective endpoints are re
 
 ### GCF function deployment
 
-1. Generate a set of public and private keys following
-    [these](https://github.com/transparency-dev/serverless-log/tree/master/serverless#generating-keys)
-    instructions and set them as the `PUBLIC_KEY` and `PRIVATE_KEY`.
 1. Set `PROJECT_NAME` as the name of your GCP project (string, not number).
 1. Deploy the Integrate function:
 
@@ -79,7 +76,7 @@ Set up a log and write to the log via GCF invocation.
         "kmsKeyName": "${KMS_KEY_NAME}",
         "kmsKeyVersion": ${KMS_KEY_VERSION}, 
         "kmsKeyLocation": "${KMS_KEY_LOCATION}",
-        "noteKeyName": "${NOTE_SIGNING_NAME}",
+        "noteKeyName": "${NOTE_SIGNING_NAME}"
     }'
     ```
 
@@ -105,6 +102,6 @@ Set up a log and write to the log via GCF invocation.
         "kmsKeyName": "${KMS_KEY_NAME}",
         "kmsKeyVersion": ${KMS_KEY_VERSION}, 
         "kmsKeyLocation": "${KMS_KEY_LOCATION}",
-        "noteKeyName": "${NOTE_SIGNING_NAME}",
+        "noteKeyName": "${NOTE_SIGNING_NAME}"
     }'
     ```