v3 docs: Remove redundant note about service usage events

[finishes #173185582]

Authored-by: Reid Mitchell <rmitchell@pivotal.io>

Author: reidmit

docs/v3/source/includes/experimental_resources/service_usage_events/_list.md.erb

@@ -36,8 +36,8 @@ Name | Type | Description
 **order_by** | _string_ | Value to sort by. Defaults to ascending. Prepend with `-` to sort descending. <br>Valid values are `created_at`, and `updated_at`.
 **after_guid** | _string_ | Filters out events before and including the event with the given guid.
 **guids** | _list of strings_ | Comma-delimited list of usage event guids to filter by.
-**service_instance_types** | _list of strings_ | Comma-delimited list of service instance types to filter by (for service usage events). Valid values are `managed_service_instance` and `user_provided_service_instance`.
-**service_offering_guids** | _list of strings_ | Comma-delimited list of service offering guids to filter by (for service usage events).
+**service_instance_types** | _list of strings_ | Comma-delimited list of service instance types to filter by. Valid values are `managed_service_instance` and `user_provided_service_instance`.
+**service_offering_guids** | _list of strings_ | Comma-delimited list of service offering guids to filter by.
 
 #### Permitted Roles
  |