Remove support for 'id' field in grants (#4290)

internal/cmd/commands/rolescmd/funcs.go

@@ -13,7 +13,6 @@ import (
 	"github.com/hashicorp/boundary/internal/cmd/base"
 	"github.com/hashicorp/boundary/internal/perms"
 	"github.com/hashicorp/boundary/internal/types/scope"
-	"github.com/hashicorp/boundary/version"
 	"github.com/mitchellh/go-wordwrap"
 )
 
@@ -284,8 +283,6 @@ func extraFlagsHandlingFuncImpl(c *Command, _ *base.FlagSets, opts *[]roles.Opti
 			switch {
 			case parsed.Id() == "":
 				// Nothing
-			case version.SupportsFeature(version.Binary, version.SupportIdInGrants):
-				c.UI.Warn(fmt.Sprintf("Grant %q uses the %q field, which is deprecated and will not be allowed in version 0.16.0+. Please use %q instead.", grant, "id", "ids"))
 			default:
 				c.UI.Error(fmt.Sprintf("Grant %q uses the %q field which is no longer supported. Please use %q instead.", grant, "id", "ids"))
 				return false