Remove Porch from kpt

Signed-off-by: Morten Torkildsen <mortent@google.com>

CONTRIBUTING.md

@@ -104,8 +104,7 @@ Coming soon
 
 ### Package Orchestrator
 
-Package orchestrator code live under `porch` directory in this repo. Please see the
-[developer docs for porch](porch/docs/development.md) to learn more.
+Package orchestrator code has been moved to the Nephio project: https://github.com/nephio-project/porch
 
 ### Function Catalog
 

commands/alpha/alphacmd.go

@@ -19,10 +19,7 @@ import (
 
 	"github.com/GoogleContainerTools/kpt/commands/alpha/license"
 	"github.com/GoogleContainerTools/kpt/commands/alpha/live"
-	"github.com/GoogleContainerTools/kpt/commands/alpha/repo"
 	"github.com/GoogleContainerTools/kpt/commands/alpha/rollouts"
-	"github.com/GoogleContainerTools/kpt/commands/alpha/rpkg"
-	"github.com/GoogleContainerTools/kpt/commands/alpha/sync"
 	"github.com/GoogleContainerTools/kpt/commands/alpha/wasm"
 
 	"github.com/GoogleContainerTools/kpt/internal/docs/generated/alphadocs"
@@ -49,9 +46,6 @@ func GetCommand(ctx context.Context, _, version string) *cobra.Command {
 	}
 
 	alpha.AddCommand(
-		repo.NewCommand(ctx, version),
-		rpkg.NewCommand(ctx, version),
-		sync.NewCommand(ctx, version),
 		wasm.NewCommand(ctx, version),
 		live.GetCommand(ctx, "", version),
 		license.NewCommand(ctx, version),