Deduplicate constant

lib/private/systemconfig.php

@@ -22,6 +22,9 @@
 
 namespace OC;
 
+
+use OCP\IConfig;
+
 /**
  * Class which provides access to the system config values stored in config.php
  * Internal class for bootstrap only.
@@ -41,8 +44,6 @@ class SystemConfig {
 		'objectstore' => ['arguments' => ['password' => true]],
 	];
 
-	const SENSITIVE_VALUE = '***REMOVED SENSITIVE VALUE***';
-
 	/**
 	 * Lists all available config keys
 	 * @return array an array of key names
@@ -115,7 +116,7 @@ class SystemConfig {
 	 */
 	protected function removeSensitiveValue($keysToRemove, $value) {
 		if ($keysToRemove === true) {
-			return self::SENSITIVE_VALUE;
+			return IConfig::SENSITIVE_VALUE;
 		}
 
 		if (is_array($value)) {