remove boot wakeup message for testing

firmware/base.yaml

@@ -4,21 +4,10 @@ esphome:
   friendly_name: "${friendly_name}"
   name_add_mac_suffix: true
   min_version: "2024.6.0"
-  on_boot:
-    then:
-      # Wakes up the desk and reports height
-      - uart.write:
-          id: handset_tx
-          data: [ 0x0 ]
   project:
     name: tj_horner.upsy_desky
     version: "4.0.2"
 
-uart:
-  id: handset_tx
-  tx_pin: 16
-  baud_rate: 9600
-
 esp32:
   board: esp32dev
   framework: