removed unused imports

Author: happylinks

tests/integ_tests/workflow_tests/continue_as_new.rs

@@ -1,8 +1,6 @@
 use std::time::Duration;
 use temporal_client::WorkflowOptions;
 use temporal_sdk::{WfContext, WfExitValue, WorkflowResult};
-use temporal_sdk_core::WorkflowClientTrait;
-use temporal_sdk_core_protos::coresdk::IntoPayloadsExt;
 use temporal_sdk_core_protos::coresdk::workflow_commands::ContinueAsNewWorkflowExecution;
 use temporal_sdk_core_test_utils::CoreWfStarter;