Potential fix for code scanning alert no. 438: Field masks field in super class

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
Signed-off-by: NiklasHerrmann21 <49141792+NiklasHerrmann21@users.noreply.github.com>

Author: NiklasHerrmann21

java-security/src/main/java/com/sap/cloud/security/servlet/HybridTokenAuthenticator.java

@@ -83,7 +83,7 @@ public class HybridTokenAuthenticator extends AbstractTokenAuthenticator {
   private final Logger logger = LoggerFactory.getLogger(getClass());
   OAuth2ServiceConfiguration iasConfig;
   OAuth2ServiceConfiguration xsuaaConfig;
-  CloseableHttpClient httpClient;
+
 
   public HybridTokenAuthenticator(
       @Nonnull final OAuth2ServiceConfiguration iasConfig,