daemon: remove workaround for c8d client connection timeout

This workaround was added in df519e9e1a, pending
a fix in containerd;

> daemon: Fix giving up too early while connecting to containerd socket
>
> Explicitly set the gRPC connection params to take the timeout into
> account to workaround the containerd v2 client not passing down the
> stack.
>
> containerd v2 replaced usages of deprecated gRPC functions but didn't
> pass the timeout to the actual dial connection options.

A fix for this was merged in [containerd@ee574e7], which is part of containerd
v2.1.0-beta.0, and backported to containerd v2.0.4 through [containerd@6b5efba].

[containerd@ee574e7]: ee574e76e7
[containerd@6b5efba]: 6b5efba83b

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

daemon/internal/libcontainerd/supervisor/remote_daemon.go

@@ -280,19 +280,14 @@ func (r *remote) monitorDaemon(ctx context.Context) {
 				continue
 			}
 
-			const connTimeout = 60 * time.Second
 			client, err = containerd.New(
 				r.GRPC.Address,
-				containerd.WithTimeout(connTimeout),
+				containerd.WithTimeout(60*time.Second),
 				containerd.WithDialOpts([]grpc.DialOption{
 					grpc.WithTransportCredentials(insecure.NewCredentials()),
 					grpc.WithContextDialer(dialer.ContextDialer),
 					grpc.WithUnaryInterceptor(grpcerrors.UnaryClientInterceptor),
 					grpc.WithStreamInterceptor(grpcerrors.StreamClientInterceptor),
-					grpc.WithConnectParams(grpc.ConnectParams{
-						// TODO: Remove after https://github.com/containerd/containerd/pull/11508
-						MinConnectTimeout: connTimeout,
-					}),
 				}),
 			)
 			if err != nil {