Remove unnecessary instructions

README.md

@@ -8,19 +8,13 @@ Sends daily breakdowns of AWS costs to a Slack channel.
 
 1. Create an [incoming webhook](https://www.slack.com/apps/new/A0F7XDUAZ) that will post to the channel of your choice on your Slack workspace. Grab the URL for use in the next step.
 
-2. Install serverless python requirements
+2. Deploy the system into your AWS account, replacing the webhook URL below with the one you generated above.
 
     ```
     SLACK_WEBHOOK=https://hooks.slack... npm run deploy
     ```
 
-3. Deploy the system into your AWS account, replacing the webhook URL below with the one you generated above.
-
-    ```
-    serverless deploy --stage="prod" --param="slack_url=https://hooks.slack.com/services/xxx/yyy/zzzz"
-    ```
-
-    You can also run it once to verify that it works:
+3. You can also run it once to verify that it works:
 
     ```
     npm run invoke