remove example dags

Author: ia-tests

composer/config/running_dags.txt

@@ -1,22 +0,0 @@
-wordcount_dag
-tutorial
-ephemeral_dataproc_spark_dag
-bash_operator
-branch_operator
-branch_python_dop_operator_3
-complex
-http_operator
-kubernetes_executor_config
-latest_only
-latest_only_with_trigger
-nested_branch_dag
-passing_params_via_test_command
-pig_operator
-python_operator
-short_circuit_operator
-skip_dag
-subdag_operator
-trigger_controller_dag
-trigger_target_dag
-tutorial
-xcom