Remove intermediate containers when build succeeded

Intermediate containers remain even when build succeeded
when building with classic way (i.e. not with buildkit).
Remove them when build succeeded like default behavior of docker build.

Signed-off-by: notok <noto.kazufumi@gmail.com>

pkg/compose/build_classic.go

@@ -231,6 +231,7 @@ func imageBuildOptions(options buildx.Options) dockertypes.ImageBuildOptions {
 	return dockertypes.ImageBuildOptions{
 		Tags:        options.Tags,
 		NoCache:     options.NoCache,
+		Remove:      true,
 		PullParent:  options.Pull,
 		BuildArgs:   toMapStringStringPtr(options.BuildArgs),
 		Labels:      options.Labels,