Resets a group's deployments.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/greengrass/reset-deployments.html
| aws greengrass reset-deployments \ |
| /greengrass/groups/GroupId/deployments/$reset - AWS Greengrass : http://docs.aws.amazon.com/greengrass/latest/apireference/-greengrass-groups-groupid-deployments-reset.html |