fix: remove plugin files

api/controllers/files/plugin_files.py

@@ -1,18 +0,0 @@
-from flask_restful import Resource, reqparse
-
-from controllers.files import api
-
-
-class PluginFilePreviewApi(Resource):
-    def get(self, file_id: str, file_type: str):
-        parser = reqparse.RequestParser()
-
-        parser.add_argument("timestamp", type=str, required=True, location="args")
-        parser.add_argument("nonce", type=str, required=True, location="args")
-        parser.add_argument("sign", type=str, required=True, location="args")
-        parser.add_argument("as_attachment", type=bool, required=False, default=False, location="args")
-
-        args = parser.parse_args()
-
-
-api.add_resource(PluginFilePreviewApi, "/files/<path:file_id>/<path:file_type>/plugin-file-preview")