Update jbang-example.java

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: brunoborges

jbang-example.java

@@ -6,7 +6,6 @@
 import com.github.copilot.sdk.json.MessageOptions;
 import com.github.copilot.sdk.json.PermissionHandler;
 import com.github.copilot.sdk.json.SessionConfig;
-import java.util.concurrent.CompletableFuture;
 
 import static java.lang.System.out;