fix(automations): drop invalid nested data: blocks breaking 3 plant alarms [#344]

notify.send_message rejects extra data['data'] (old mobile-app push
syntax) — UPS battery low, UPS comm lost, and high-temperature alerts
all errored on every fire. Blocks removed; notifications send plain.

https://projects.knownelement.com/issues/344

automations.yaml

@@ -41,8 +41,6 @@
       title: UPS BATTERY LOW
       message: '{{ trigger.entity_id }} at {{ states(trigger.entity_id) }}% while
         on battery. Start graceful shutdown of VMs before hypervisors (#455 ordering).'
-      data:
-        priority: 1
   mode: single
 - id: pfv_plant_ups_comm_lost
   alias: PFV plant - UPS communication lost
@@ -63,8 +61,6 @@
       title: UPS COMMS LOST
       message: '{{ trigger.entity_id }} unreachable for 5 minutes (nut-server or network
         path down; tsys1 also hosts pfv-bms itself).'
-      data:
-        priority: 1
   mode: single
 - id: pfv_plant_ups_power_restored
   alias: PFV plant - utility power restored
@@ -122,8 +118,6 @@
       title: HIGH TEMPERATURE
       message: '{{ trigger.entity_id }} is {{ states(trigger.entity_id) }}°F (threshold
         104°F). Check cooling/airflow.'
-      data:
-        priority: 1
   mode: single
 - id: pfv_plant_sensor_watchdog
   alias: PFV plant - sensor watchdog (unavailable sensors)