Remove CLI docs from readme

Author: sqrrrl

README.md

@@ -182,26 +182,6 @@ if upload.resumable?
 end
 ```
 
-## Command Line
-
-Included with the gem is a command line interface for working with Google APIs.
-
-```bash
-# Log in
-google-api oauth-2-login --client-id='...' --client-secret='...' --scope="https://www.googleapis.com/auth/plus.me"
-
-# List the signed-in user's activities
-google-api execute plus.activities.list --api=plus -- userId="me" collection="public"
-
-# Start an interactive API session
-google-api irb
->> plus = $client.discovered_api('plus')
->> $client.execute(plus.activities.list, {'userId' => 'me', 'collection' => 'public'})
-=> # returns a response from the API
-```
-
-For more information, use `google-api --help`
-
 ## Samples
 
 See the full list of [samples on Github](https://github.com/google/google-api-ruby-client-samples).