chore(): remove dependencies grpc

[Tony133]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/nestjs/nest/blob/master/CONTRIBUTING.md
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[x] Other... Please describe:

What is the current behavior?

Issue Number: #1422

What is the new behavior?

the file grpc.health.ts should depends on @grpc/grpc-js package and not from the grpc package

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

This PR, the file grpc.health.ts should depends on @grpc/grpc-js package and not from the grpc package

[Tony133]

if the change is correct say remove it from the package.json.

ahaha it has already been removed, sorry 😄

[BrunnerLivio]

Thanks @Tony133 !