Remove empty file and now-empty section from the appservice spec

This commit has approval under https://github.com/matrix-org/matrix-doc/pull/1555 although is being included in this branch/PR so the build passes, permitting a merge.

api/application-service/application_service.yaml

@@ -1,28 +0,0 @@
-# Copyright 2016 OpenMarket Ltd
-# Copyright 2018 New Vector Ltd
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-swagger: '2.0'
-info:
-  title: "Matrix Application Service API"
-  version: "1.0.0"
-host: localhost:8008
-schemes:
-  - https
-  - http
-basePath: "/"
-consumes:
-  - application/json
-produces:
-  - application/json
-paths:

specification/application_service_api.rst

@@ -246,15 +246,6 @@ application service for filtering.
 {{protocols_as_http_api}}
 
 
-HTTP APIs
-+++++++++
-
-This contains application service APIs which are used by the homeserver. All
-application services MUST implement these APIs. These APIs are defined below.
-
-{{application_service_as_http_api}}
-
-
 .. _create the user: `sect:asapi-permissions`_
 
 Client-Server API Extensions