dap: make dap generally available

Removes the experimental flags and bits for dap and deletes some dead
code that somehow made its way this far without anyone noticing.

Signed-off-by: Jonathan A. Sternberg <jonathan.sternberg@docker.com>

commands/dap.go

@@ -8,7 +8,6 @@ import (
 	"github.com/containerd/console"
 	"github.com/docker/buildx/dap"
 	"github.com/docker/buildx/dap/common"
-	"github.com/docker/buildx/util/cobrautil"
 	"github.com/docker/buildx/util/ioset"
 	"github.com/docker/buildx/util/progress"
 	"github.com/docker/cli/cli"
@@ -29,7 +28,6 @@ func dapCmd(dockerCli command.Cli, rootOpts *rootOptions) *cobra.Command {
 
 		DisableFlagsInUseLine: true,
 	}
-	cobrautil.MarkCommandExperimental(cmd)
 
 	dapBuildCmd := buildCmd(dockerCli, rootOpts, &options)
 	dapBuildCmd.Args = cobra.RangeArgs(0, 1)

commands/root.go

@@ -127,10 +127,10 @@ func addCommands(cmd *cobra.Command, opts *rootOptions, dockerCli command.Cli) {
 		duCmd(dockerCli, opts),
 		imagetoolscmd.RootCmd(cmd, dockerCli, imagetoolscmd.RootOptions{Builder: &opts.builder}),
 		historycmd.RootCmd(cmd, dockerCli, historycmd.RootOptions{Builder: &opts.builder}),
+		dapCmd(dockerCli, opts),
 	)
 	if confutil.IsExperimental() {
 		cmd.AddCommand(debugCmd(dockerCli, opts))
-		cmd.AddCommand(dapCmd(dockerCli, opts))
 	}
 
 	cmd.RegisterFlagCompletionFunc( //nolint:errcheck