CloudWatch: Use default http client from aws-sdk-go (#46370)
CloudWatch: Use default http client from aws-sdk-go (#46370)

* use default http client from aws-sdk-go

* temp comment out line and link to issue
grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana