Remove the 'List Alarms' button and alarm list display functionality
from the Android test app UI. This feature was added for testing but
is no longer needed as alarm verification is handled by the test scripts.
Removed:
- '📋 List Alarms' button
- alarmListContainer div and alarm list display
- loadAlarmList() JavaScript function
- getSchedulesWithStatus() API call usage
The getSchedulesWithStatus() plugin method remains available for
programmatic use if needed in the future.
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