Revert "Update runc to 1.0.0"

vendor/github.com/opencontainers/runc/libcontainer/configs/validate/validator.go

@@ -12,7 +12,6 @@ import (
 	"github.com/opencontainers/runc/libcontainer/configs"
 	"github.com/opencontainers/runc/libcontainer/intelrdt"
 	selinux "github.com/opencontainers/selinux/go-selinux"
-	"github.com/sirupsen/logrus"
 	"golang.org/x/sys/unix"
 )
 
@@ -24,13 +23,13 @@ func New() Validator {
 	return &ConfigValidator{}
 }
 
-type ConfigValidator struct{}
+type ConfigValidator struct {
+}
 
 type check func(config *configs.Config) error
 
 func (v *ConfigValidator) Validate(config *configs.Config) error {
 	checks := []check{
-		v.cgroups,
 		v.rootfs,
 		v.network,
 		v.hostname,
@@ -40,21 +39,17 @@ func (v *ConfigValidator) Validate(config *configs.Config) error {
 		v.sysctl,
 		v.intelrdt,
 		v.rootlessEUID,
+		v.mounts,
 	}
 	for _, c := range checks {
 		if err := c(config); err != nil {
 			return err
 		}
 	}
-	// Relaxed validation rules for backward compatibility
-	warns := []check{
-		v.mounts, // TODO (runc v1.x.x): make this an error instead of a warning
-	}
-	for _, c := range warns {
-		if err := c(config); err != nil {
-			logrus.WithError(err).Warnf("invalid configuration")
-		}
+	if err := v.cgroups(config); err != nil {
+		return err
 	}
+
 	return nil
 }