Updated API from documentation release

Author: ct-sdks[bot]

api-specs/api/resources/subscriptions.raml

@@ -128,7 +128,7 @@ post:
             type: Subscription
             example: !include ../examples/subscription-update-response.example.json
   delete:
-    displayName: Update Subscription by ID
+    displayName: Delete Subscription by ID
     securedBy: [oauth_2_0: { scopes: ['manage_subscriptions:{projectKey}'] }]
     is:
       - versioned