Remove Duco temperature sensor documentation

[ronaldvdmeer]

Proposed change

Remove the temperature sensor documentation from the Duco integration page. The temperature entities exposed by the BOX, UCCO2, BSRH, and UCRH node types are removed in the corresponding core PR (home-assistant/core#170237) because the readings are not reliable enough to present as room temperatures. The physical sensor position can skew the measurements, for example when a sensor sits close to a heat-producing component or is mounted in a wall that affects the reading.

This PR removes:

• All references to temperature in the "Supported sensor modules" section.
• The "Temperature" subsection from the "Sensors" section.
• The temperature-based use case bullet point.

Type of change

• Spelling, grammar or other readability improvements (current branch).
• Adjusted missing or incorrect information in the current documentation (current branch).
• Added documentation for a new integration I'm adding to Home Assistant (next branch).
  • I've opened up a PR to add logos and icons in Brands repository.
• Added documentation for a new feature I'm adding to Home Assistant (next branch).
• Removed stale or deprecated documentation.

Additional information

• Link to parent pull request in the codebase: Migrate Duco to python-duco-connectivity and remove temperature sensors core#170237
• Link to parent pull request in the Brands repository:
• This PR fixes or closes issue: fixes #

Checklist

• This PR uses the correct branch, based on one of the following:
  • I made a change to the existing documentation and used the current branch.
  • I made a change that is related to an upcoming version of Home Assistant and used the next branch.
• The documentation follows the Home Assistant documentation standards.

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Pull request overview

Removes temperature sensor documentation from the Duco integration page to match the corresponding Core change (home-assistant/core#170237) where temperature entities are removed due to unreliable readings.

Changes:

• Removed temperature mentions from the supported sensor module descriptions.
• Removed the Temperature sensor subsection from the Sensors section.
• Removed the temperature-based use case bullet.