chore: remove legacy Grafana script

[nicomiguelino]

User description

The Grafana Edge App (edge-apps/grafana) supersedes scripts/grafana/, which was a simple Python helper to add Grafana dashboards as URL assets. The Edge App covers the same use case with better integration and features.

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PR Type

Other

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Description

• Remove legacy Grafana asset helper

• Delete script README and usage docs

• Drop obsolete Grafana script dependencies

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Diagram Walkthrough

flowchart LR
  script["Legacy Grafana asset script"]
  docs["Script README documentation"]
  deps["Script Python dependencies"]
  removed["Removed from repository"]
  script -- "deleted" --> removed
  docs -- "deleted" --> removed
  deps -- "deleted" --> removed

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File Walkthrough

	Relevant files
Miscellaneous	add-grafana-asset.py Delete obsolete Grafana asset helper                                          scripts/grafana/add-grafana-asset.py Remove the legacy Python helper script Delete URL massaging and asset creation logic Remove environment-based Grafana and Screenly integration +0/-70
Documentation	README.md Remove deprecated script documentation                                      scripts/grafana/README.md Remove setup instructions for the legacy script Delete usage examples and environment variable guidance Eliminate documentation for deprecated Grafana workflow +0/-31
Dependencies	requirements.txt Drop unused Grafana script dependencies                                    scripts/grafana/requirements.txt Delete script-only dependency declarations Remove furl and requests requirements +0/-2

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[github-actions]

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(Review updated until commit f3fe4fc)

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[Copilot]

Pull request overview

This PR removes the legacy scripts/grafana/ Python helper for adding Grafana dashboards as URL assets, since the Grafana Edge App (edge-apps/grafana) now covers the same use case with better integration.

Changes:

• Deleted the legacy Grafana helper script (add-grafana-asset.py).
• Removed the legacy script’s README and Python requirements file.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
scripts/grafana/requirements.txt	Removes Python dependencies for the retired legacy script.
scripts/grafana/README.md	Removes documentation for the retired legacy script.
scripts/grafana/add-grafana-asset.py	Removes the retired legacy Grafana asset helper implementation.

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[github-actions]

Persistent review updated to latest commit f3fe4fc

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