*: drop old sdk dependecies, bump neofs-api-go version

I'm not sure it works, but it's enough code-wise for now. We're reusing some
http-gw components here that are to be moved into sdk-go in future.

Signed-off-by: Roman Khimov <roman@nspcc.ru>

cmd/s3-gw/main.go

@@ -5,7 +5,7 @@ import (
 	"os/signal"
 	"syscall"
 
-	"github.com/nspcc-dev/cdn-sdk/logger"
+	"github.com/nspcc-dev/neofs-http-gw/logger"
 	"github.com/spf13/viper"
 	"go.uber.org/zap"
 )
@@ -49,7 +49,6 @@ func main() {
 	)
 
 	go a.Server(g)
-	go a.Worker(g)
 
 	a.Wait()
 }