Remove health check from zigbee thermostat

[cjswedes]

This is not needed to keep device online, and so its being removed to gain the small memory/latency savings of having it disabled. Tested with a Sinope thermostat.

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Type of Change

• WWST Certification Request
  • If this is your first time contributing code:
    • I have reviewed the README.md file
    • I have reviewed the CODE_OF_CONDUCT.md file
    • I have signed the CLA
  • I plan on entering a WWST Certification Request or have entered a request through the WWST Certification console at developer.smartthings.com
• Bug fix
• New feature
• Refactor

Checklist

• I have performed a self-review of my code
• I have commented my code in hard-to-understand areas
• I have verified my changes by testing with a device or have communicated a plan for testing
• I am adding new behavior, such as adding a sub-driver, and have added and run new unit tests to cover the new behavior

Description of Change

Summary of Completed Tests

[github-actions]

Channel deleted.

[github-actions]

Test Results

   64 files    402 suites   0s ⏱️
2 000 tests 2 000 ✅ 0 💤 0 ❌
3 455 runs  3 455 ✅ 0 💤 0 ❌

Results for commit e1f5669.

[github-actions]

File	Coverage
All files	88%	❌
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/zigbee-thermostat/src/aqara/init.lua	78%	❌
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/zigbee-thermostat/src/leviton/init.lua	89%	❌
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/zigbee-thermostat/src/vimar/init.lua	90%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/zigbee-thermostat/src/zenwithin/init.lua	94%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/zigbee-thermostat/src/stelpro/init.lua	88%	❌
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/zigbee-thermostat/src/resideo_korea/init.lua	81%	❌
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/zigbee-thermostat/src/lux-konoz/init.lua	91%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/zigbee-thermostat/src/init.lua	97%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/zigbee-thermostat/src/popp/init.lua	78%	❌
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/zigbee-thermostat/src/sinope/init.lua	92%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/zigbee-thermostat/src/stelpro-ki-zigbee-thermostat/init.lua	89%	❌

Minimum allowed coverage is 90%

Generated by 🐒 cobertura-action against e1f5669