_http_client: remove redundant reassignments
This parameters doesn't need to be re-assigned here since its correctly re-assigned in: https://github.com/nodejs/node/blob/7c8a60851c459ea18afbfc54bfc8cf7394ea56c3/lib/_http_client.js#L122-L127
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This parameters doesn't need to be re-assigned here since its correctly re-assigned in: https://github.com/nodejs/node/blob/7c8a60851c459ea18afbfc54bfc8cf7394ea56c3/lib/_http_client.js#L122-L127