fix: remove noop templates plan command (#6617)

Co-authored-by: Colin Adler <colin1adler@gmail.com>

cli/templateplan.go

@@ -1,16 +0,0 @@
-package cli
-
-import (
-	"github.com/spf13/cobra"
-)
-
-func templatePlan() *cobra.Command {
-	return &cobra.Command{
-		Use:   "plan <directory>",
-		Args:  cobra.MinimumNArgs(1),
-		Short: "Plan a template push from the current directory",
-		RunE: func(cmd *cobra.Command, args []string) error {
-			return nil
-		},
-	}
-}