deleted some few println lines

Makefile

@@ -73,4 +73,3 @@ self-certs:
 clean:
 	$(GOCLEAN)
 	rm -rf $(BUILD_ARTIFACTS_PATH) $(TOOLS_DIR)
-	docker system prune -af

examples/example01/cmd/start.go

@@ -87,7 +87,6 @@ var startCmd = &cobra.Command{
 		// The registered path handlers sorted by priority. If specific
 		// handlers should be able to process their workload before others,
 		// then they should be placed in the front of the slice.
-		fmt.Println("before handlers")
 		handlers := []handler.PathHandler{
 			interfaces.NewInterfacesHandler(),
 			networkinstances.NewNetworkInstanceHandler(),