deleted unused controller

controllers/StoragesController.py

-import json
-
-from aiohttp import web
-
-from implementation.storage.OpenstackStorageManager import OpenstackStorageManager
-
-
-class StoragesController:
-
-    storage_manager = None
-
-    @staticmethod
-    def init(app, os):
-        StoragesController.storage_manager = OpenstackStorageManager(os)
-
-        StoragesController.add_routes(app)
-
-    @staticmethod
-    def add_routes(app):
-        app.add_routes([
-            web.get('/storages', StoragesController.list),
-            web.post('/storages/create', StoragesController.create),
-            web.get('/storages/{volume}', StoragesController.show),
-            web.delete('/storages/{storage}/delete', StoragesController.delete)
-        ])
-
-    @staticmethod
-    async def create(request):
-        return web.Response(text='Create')
-
-    @staticmethod
-    async def list(request):
-        volumes = StoragesController.storage_manager.list()
-
-        return web.Response(text=json.dumps(volumes[0]))
-
-    @staticmethod
-    async def show(request):
-        id = request.match_info.get('volume')
-
-        volume = StoragesController.storage_manager.get(id)
-
-        response = json.dumps(volume)
-
-        return web.Response(text=response)
-
-    @staticmethod
-    async def delete(request):
-        return web.Response(text='Delete')