several: turn off aiohttp access log

It will log arguments, so unless we are certain the arguments are clean
this will cause trouble.  Just turn it off.

subiquity/common/api/server.py

@@ -221,7 +221,7 @@ def bind(router, endpoint, controller, serializer=None, _depth=None):
 async def make_server_at_path(socket_path, endpoint, controller, **kw):
     app = web.Application(**kw)
     bind(app.router, endpoint, controller)
-    runner = web.AppRunner(app)
+    runner = web.AppRunner(app, access_log=None)
     await runner.setup()
     site = web.UnixSite(runner, socket_path)
     await site.start()

subiquity/server/server.py

@@ -497,7 +497,7 @@ class SubiquityServer(Application):
             bind(app.router, API.dry_run, DryRunController(self))
         for controller in self.controllers.instances:
             controller.add_routes(app)
-        runner = web.AppRunner(app, keepalive_timeout=0xFFFFFFFF)
+        runner = web.AppRunner(app, keepalive_timeout=0xFFFFFFFF, access_log=None)
         await runner.setup()
         await self.start_site(runner)