Use gx vendored go-ipfs-utils where possible

For the rest of the packages in util, move them to thirdparty
and update the references. util is gone!

License: MIT
Signed-off-by: Jeromy <jeromyj@gmail.com>


This commit was moved from ipfs/kubo@d7dab3a

gateway/core/corehttp/gateway_test.go

@@ -15,7 +15,7 @@ import (
 	path "github.com/ipfs/go-ipfs/path"
 	repo "github.com/ipfs/go-ipfs/repo"
 	config "github.com/ipfs/go-ipfs/repo/config"
-	testutil "github.com/ipfs/go-ipfs/util/testutil"
+	testutil "github.com/ipfs/go-ipfs/thirdparty/testutil"
 	ci "gx/ipfs/QmUBogf4nUefBjmYjn6jfsfPJRkmDGSeMhNj4usRKq69f4/go-libp2p/p2p/crypto"
 	id "gx/ipfs/QmUBogf4nUefBjmYjn6jfsfPJRkmDGSeMhNj4usRKq69f4/go-libp2p/p2p/protocol/identify"
 	context "gx/ipfs/QmZy2y8t9zQH2a1b8q2ZSLKp17ATuJoCNxxyMFG5qFExpt/go-net/context"