Removes mention of the webhook level

- Updates files to remove mention of webhook_level's which are no
  longer used.

Author: samuelyallop-pusher

README.md

@@ -187,8 +187,6 @@ pusher.notify(["my-favourite-interest"], data)
 
 Push notification requests, once submitted to the service are executed asynchronously. To make reporting errors easier, you can supply a `webhook_url` field in the body of the request. This will be used by the service to send a webhook to the supplied URL if there are errors.
 
-You may also supply a `webhook_level` field in the body, which can either be INFO or DEBUG. It defaults to INFO - where INFO only reports customer facing errors, while DEBUG reports all errors.
-
 For example:
 
 ```python
@@ -206,8 +204,7 @@ data = {
       "icon": "icon"
     }
   },
-  "webhook_url": "http://yolo.com",
-  "webhook_level": "INFO"
+  "webhook_url": "http://yolo.com"
 }
 ```
 

pusher/notification_client.py

@@ -16,8 +16,6 @@
 API_PREFIX = 'server_api'
 API_VERSION = 'v1'
 GCM_TTL = 241920
-WEBHOOK_LEVELS = ['INFO', 'DEBUG', '']
-
 
 class NotificationClient(Client):
     def __init__(

pusher_tests/test_notification_client.py

@@ -8,7 +8,6 @@ def setUp(self):
         self.client = NotificationClient(app_id='4', key='key', secret='secret')
         self.success_fixture = {
             'webhook_url': 'http://webhook.com',
-            'webhook_level': 'DEBUG',
             'apns': {
                 'alert': {
                 'title': 'yolo',
@@ -36,7 +35,6 @@ def test_notify_success_case(self):
         self.assertEqual(request.params, {
             'interests': ['yolo'],
             'webhook_url': 'http://webhook.com',
-            'webhook_level': 'DEBUG',
             'apns': {
                 'alert': {
                 'title': 'yolo',