Revert "[crsf] add temperature, RPM and AirSpeed telemetry"

[Copilot]

Reverts PR #11025 which added CRSF temperature, RPM, and AirSpeed telemetry.

Changes Reverted

• src/main/rx/crsf.h: Removed CRSF_FRAMETYPE_RPM (0x0C) and CRSF_FRAMETYPE_TEMP (0x0D) frame type definitions
• src/main/telemetry/crsf.c: Removed crsfSerialize24(), crsfRpm(), crsfTemperature() functions and associated frame scheduling

Generated via git revert -m 1 acefeca61de5ef01883c14d262688dbd4cd3d298.

Original prompt

Create a new pull request that reverts the changes introduced by merged pull request #11025: #11025.

Agent instructions (actionable steps):

1. Detect the repository's default branch (e.g., main or master) and create a new branch named "revert/pr-11025" from that default branch.
2. Identify the merge commit SHA that merged PR [crsf] add temperature, RPM and AirSpeed telemetry #11025 into the default branch.
3. Create a single revert commit that reverts that merge commit using git revert -m 1 so that it targets parent 1.
4. Use this exact commit message (replace with the actual SHA):

Title: Revert "[crsf] add temperature, RPM and AirSpeed telemetry"

Body:
Revert "[crsf] add temperature, RPM and AirSpeed telemetry"

This reverts commit (PR #11025).

Reverting because these telemetry additions caused regressions/compatibility issues.

5. Do NOT create or update any changelog entry (user requested no changelog change).
6. Run repository build and lint steps if possible and record the results; if build/lint fails, include notes in the PR description explaining failures and the rationale for the revert.
7. Push the new branch to the remote and open a pull request against the repository's default branch with title:

Revert "[crsf] add temperature, RPM and AirSpeed telemetry" (PR #11025)

PR description must include:

• A link to the original PR: [crsf] add temperature, RPM and AirSpeed telemetry #11025
• The revert rationale: "Reverting because these telemetry additions caused regressions/compatibility issues."
• Any build/lint results and follow-ups (e.g., re-introduce later with fixes, run additional tests).
• Explicit note: do NOT assign reviewers or merge the PR. Leave as draft if uncertain. (Open as draft by default.)

8. Return the created pull request URL and the branch name in the tool result.

Repository: iNavFlight/inav
Original PR: #11025
Open PR as draft. No changelog update.

This pull request was created as a result of the following prompt from Copilot chat.

Create a new pull request that reverts the changes introduced by merged pull request #11025: #11025.

Agent instructions (actionable steps):

1. Detect the repository's default branch (e.g., main or master) and create a new branch named "revert/pr-11025" from that default branch.
2. Identify the merge commit SHA that merged PR [crsf] add temperature, RPM and AirSpeed telemetry #11025 into the default branch.
3. Create a single revert commit that reverts that merge commit using git revert -m 1 so that it targets parent 1.
4. Use this exact commit message (replace with the actual SHA):

Title: Revert "[crsf] add temperature, RPM and AirSpeed telemetry"

Body:
Revert "[crsf] add temperature, RPM and AirSpeed telemetry"

This reverts commit (PR #11025).

Reverting because these telemetry additions caused regressions/compatibility issues.

5. Do NOT create or update any changelog entry (user requested no changelog change).
6. Run repository build and lint steps if possible and record the results; if build/lint fails, include notes in the PR description explaining failures and the rationale for the revert.
7. Push the new branch to the remote and open a pull request against the repository's default branch with title:

Revert "[crsf] add temperature, RPM and AirSpeed telemetry" (PR #11025)

PR description must include:

• A link to the original PR: [crsf] add temperature, RPM and AirSpeed telemetry #11025
• The revert rationale: "Reverting because these telemetry additions caused regressions/compatibility issues."
• Any build/lint results and follow-ups (e.g., re-introduce later with fixes, run additional tests).
• Explicit note: do NOT assign reviewers or merge the PR. Leave as draft if uncertain. (Open as draft by default.)

8. Return the created pull request URL and the branch name in the tool result.

Repository: iNavFlight/inav
Original PR: #11025
Open PR as draft. No changelog update.

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