docs: remove inline python and ruby examples

Thanks to issue #1853 we determined that the in-line Python example was
incorrect (out of date). Since we have a python lib that is actually
tested (most of the time), we prefer that get used instead.

Similarly, the ruby example could be out of date and no one on the
project would no, because the maintenance team doesn't know ruby. Plus,
it clearly shells out to curl... and I sure hope that's not the
canonical way to do http in ruby.

Signed-off-by: John Mulligan <jmulligan@redhat.com>

docs/api/api.md

@@ -97,72 +97,6 @@ There are JWT libraries available for most languages as highlighted on [jwt.io](
 
 `Authorization: Bearer eyJhb[...omitted for brevity...]HgQ`
 
-### Python Example
-Here is an example of how to create a token as Python client:
-
-```python
-import jwt
-import datetime
-import hashlib
-
-method = 'GET'
-uri = '/volumes'
-secret = 'My secret'
-
-claims = {}
-
-# Issuer
-claims['iss'] = 'admin'
-
-# Issued at time
-claims['iat'] = datetime.datetime.utcnow()
-
-# Expiration time
-claims['exp'] = datetime.datetime.utcnow() \
-	+ datetime.timedelta(minutes=10)
-
-# URI tampering protection
-claims['qsh'] = hashlib.sha256(method + '&' + uri).hexdigest()
-
-print jwt.encode(claims, secret, algorithm='HS256')
-```
-
-Example output:
-
-```
-eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJhZG1pbiIsImlhdCI6MTQzNTY4MTY4OSwicXNoIjoiYzE2MmFjYzkwMjQyNzIxMjBiYWNmZmY3NzA5YzkzMmNjMjUyMzM3ZDBhMzBmYTE1YjAyNTAxMDA2NjY2MmJlYSIsImV4cCI6MTQzNTY4MjI4OX0.ZBd_NgzEoGckcnyY4_ypgJsN6Oi7x0KxX2w8AXVyiS8
-```
-
-### Ruby Example
-Run this as: `./heketi-api.rb volumes`
-
-```ruby
-#!/usr/bin/env ruby
-
-require 'jwt'
-require 'digest'
-
-user = "admin"
-pass = "password"
-server = "http://heketi.example.com:8443"
-
-uri = "/#{ARGV[0]}"
-
-payload = {}
-
-headers = {
-  iss: 'admin',
-  iat: Time.now.to_i,
-  exp: Time.now.to_i + 600,
-  qsh: Digest::SHA256.hexdigest("GET&#{uri}")
-}
-
-token = JWT.encode headers, pass, 'HS256'
-
-exec("curl -H \"Authorization: Bearer #{token}\" #{server}#{uri}")
-```
-
-Copy this example token and decode it in [jwt.io](http://jwt.io) by pasting it in the token area and changing the secret to `My secret`.
 
 ## More Information
 * [JWT Specification](http://self-issued.info/docs/draft-ietf-oauth-json-web-token.html)