Checklist

• [X] I have read the [contribution guidelines] (https://github.com/Azure/azure-iot-sdk-node/blob/master/.github/CONTRIBUTING.md).
• [ ] I added or modified the existing tests to cover the change (we do not allow our test coverage to go down).
• If this is a modification that impacts the behavior of a public API
• [ ] I edited the corresponding document in the devdoc folder and added or modified requirements.

Reference/Link to the issue solved with this PR (if any)

Description of the problem

Samples (device and service) are not consistent with C-SDK samples.

Description of the solution

Undo changes on DTDL files (we dont want to have different versions around) Rename component names Change commands to be lowercase

/cc

/cc

该提问来源于开源项目：Azure/azure-iot-sdk-node