refactor: use prompt package from salt (#149)

Author: ravisuhag

cmd/namespace.go

@@ -8,8 +8,8 @@ import (
 	"github.com/MakeNowJust/heredoc"
 	"github.com/dustin/go-humanize"
 	"github.com/odpf/salt/printer"
+	"github.com/odpf/salt/prompt"
 	"github.com/odpf/salt/term"
-	"github.com/odpf/stencil/pkg/prompt"
 	stencilv1beta1 "github.com/odpf/stencil/proto/odpf/stencil/v1beta1"
 	"github.com/spf13/cobra"
 	"google.golang.org/grpc/codes"