Update Javadoc in OAuthFlowHandler to remove reference to device flow (#1632)

Author: arjun-mehrotra

src/main/java/com/salesforce/dataloader/oauth/OAuthFlowHandler.java

@@ -37,7 +37,7 @@
 import java.util.function.Consumer;
 
 /**
- * Utility class to handle OAuth flows (PKCE and Device Flow) for both UI and batch modes.
+ * Utility class to handle OAuth flow (WebServer with Proof Key for Code Exchange(PKCE)) for both UI and batch modes.
  */
 public class OAuthFlowHandler {
     private static final Logger logger = DLLogManager.getLogger(OAuthFlowHandler.class);
@@ -54,8 +54,7 @@ public OAuthFlowHandler(AppConfig appConfig, Consumer<String> statusConsumer, Co
     }
 
     /**
-     * Handles the OAuth login process, attempting PKCE flow first if not disabled,
-     * falling back to device flow if PKCE is not supported or fails.
+     * Handles Web Server OAuth flow leveraging Proof Key for Code Exchange(PKCE).
      *
      * @return true if login was successful, false otherwise
      */