Merge pull request containers#4401 from mheon/revert_4216

Revert "catch runc v2 error" [v1.6]

libpod/container_internal.go

@@ -947,13 +947,6 @@ func (c *Container) init(ctx context.Context, retainRetries bool) error {
 
 	// With the spec complete, do an OCI create
 	if err := c.ociRuntime.CreateContainer(c, nil); err != nil {
-		// Fedora 31 is carrying a patch to display improved error
-		// messages to better handle the V2 transition. This is NOT
-		// upstream in any OCI runtime.
-		// TODO: Remove once runc supports cgroupsv2
-		if strings.Contains(err.Error(), "this version of runc doesn't work on cgroups v2") {
-			logrus.Errorf("oci runtime %q does not support CGroups V2: use system migrate to mitigate", c.ociRuntime.Name())
-		}
 		return err
 	}