Removed the label requirement for the CR.

Author: carlbraganza

keps/sig-storage/3314-csi-changed-block-tracking/README.md

@@ -879,12 +879,6 @@ deployed by a CSI driver.
 
 The CR name should be that of the associated CSI driver to ensure that only one such
 CR is created for a given driver.
-Additionally, the CR must have the following label value set:
-```
-cbt.storage.k8s.io/driver: NAME_OF_THE_CSI_DRIVER
-```
-The presence of this label allows a backup application to efficiently locate
-the CR for the CSI driver regardless of the namespace in which the CR is created.
 
 The CR `spec` contains the following fields: