Disable Proxy for Rest to GRPC communication

[khrm]

This is internal communication and proxy isn't needed. Also, GRPC is HTTP/2 and using proxy can cause problem as some of the proxies are HTTP/1.1.

Changes

Submitter Checklist

These are the criteria that every PR should meet, please check them off as you review them:

• [ ] Has Docs included if any changes are user facing
• [ ] Has Tests included if any functionality added or changed
• [ ] Tested your changes locally (if this is a code change)
• [ ] Follows the commit message standard
• [ ] Meets the Tekton contributor standards (including functionality, content, code)
• [ ] Has a kind label. You can add a comment on this PR that contains /kind <type>. Valid types are bug, cleanup, design, documentation, feature, flake, misc, question, tep
• [ ] Release notes block below has been updated with any user-facing changes (API changes, bug fixes, changes requiring upgrade notices or deprecation warnings)
• [ ] Release notes contain the string "action required" if the change requires additional action from users switching to the new release

Release Notes

NONE

[khrm]

/release-note-none

[tekton-robot]

@khrm: you can only set the release note label to release-note-none if the release-note block in the PR body text is empty or "none".

In response to [this](https://github.com/tektoncd/results/pull/727#issuecomment-1991176762): >/release-note-none Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[khrm]

/assign @sayan-biswas @enarha

[khrm]

This is already shipped in OpenShift Pipelines and we didn't face any issues from the customers. So this approach is correct. Proxy between Rest and GRPC server isn't needed. It's just an internal call.

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sayan-biswas

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/tektoncd/results/blob/main/OWNERS)~~ [sayan-biswas] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[sayan-biswas]

/lgtm

[khrm]

/cherry-pick release-v0.9.x

[tekton-robot]

@khrm: new pull request created: #734

In response to [this](https://github.com/tektoncd/results/pull/727#issuecomment-2003740824): >/cherry-pick release-v0.9.x Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.