Remove outdated dark icons for UniFi Protect

[RaHehl]

The last update introduced new blue icons that work correctly for both light and dark mode. The separate dark_icon variants are no longer needed.

Proposed change

Remove outdated dark icons for UniFi Protect (unifiprotect)

The previous update introduced new blue-themed icons for UniFi Protect that render correctly for both light and dark mode. As a result, the separate dark_icon.png and dark_icon@2x.png files are no longer needed and have been removed.

Type of change

• Add a new logo or icon for a new core integration
• Add a missing icon or logo for an existing core integration
• Replace an existing icon or logo with a higher quality version
• Replace an existing icon or logo after a branding change
• Removing an icon or logo

Additional information

• This PR fixes or closes issue: fixes #
• Link to code base pull request:
• Link to documentation pull request:
• Link to integration documentation on our website:

Checklist

• The added/replaced image(s) are PNG
• Icon image size is 256x256px (icon.png)
• hDPI icon image size is 512x512px for (icon@2x.png)
• Logo image size has min 128px, but max 256px, on the shortest side (logo.png)
• hDPI logo image size has min 256px, but max 512px, on the shortest side (logo@2x.png)

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