fix: use explicit nil YAML values

Signed-off-by: Thulio Ferraz Assis <thulio.assis@suse.com>

chart/values.yaml

@@ -26,35 +26,35 @@ persistence:
   defaultClassReplicaCount: 3
 
 csi:
-  attacherImage:
+  attacherImage: ~
-  provisionerImage:
+  provisionerImage: ~
-  nodeDriverRegistrarImage:
+  nodeDriverRegistrarImage: ~
-  resizerImage:
+  resizerImage: ~
-  kubeletRootDir:
+  kubeletRootDir: ~
-  attacherReplicaCount:
+  attacherReplicaCount: ~
-  provisionerReplicaCount:
+  provisionerReplicaCount: ~
-  resizerReplicaCount:
+  resizerReplicaCount: ~
 
 defaultSettings:
-  backupTarget:
+  backupTarget: ~
-  backupTargetCredentialSecret:
+  backupTargetCredentialSecret: ~
-  createDefaultDiskLabeledNodes:
+  createDefaultDiskLabeledNodes: ~
-  defaultDataPath:
+  defaultDataPath: ~
-  replicaSoftAntiAffinity:
+  replicaSoftAntiAffinity: ~
-  storageOverProvisioningPercentage:
+  storageOverProvisioningPercentage: ~
-  storageMinimalAvailablePercentage:
+  storageMinimalAvailablePercentage: ~
-  upgradeChecker:
+  upgradeChecker: ~
-  defaultReplicaCount:
+  defaultReplicaCount: ~
-  guaranteedEngineCPU:
+  guaranteedEngineCPU: ~
-  defaultLonghornStaticStorageClass:
+  defaultLonghornStaticStorageClass: ~
-  backupstorePollInterval:
+  backupstorePollInterval: ~
-  taintToleration:
+  taintToleration: ~
-  registrySecret:
+  registrySecret: ~
 
 privateRegistry:
-  registryUrl:
+  registryUrl: ~
-  registryUser:
+  registryUser: ~
-  registryPasswd:
+  registryPasswd: ~
 
 resources: {}
   # We usually recommend not to specify default resources and to leave this as a conscious